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progressive disseminated histoplasmosis in the acquired immunodeficiency syndrome: a model for disseminated disease.progressive disseminated histoplasmosis (pdh) is a relatively common infectious illness in human immunodeficiency virus (hiv)-infected patients. in houston, texas, (which is moderately endemic for histoplasmosis) the frequency of pdh is 5% among patients with acquired immunodeficiency syndrome (aids), almost as high as that of those with cryptoccal disease. in highly endemic areas, the frequency of pdh in aids is even greater, up to 75% in some areas. it is likely that as the hiv epidemic contin ...19902247709
additional instances of human parasitism by the brown dog tick (acari: ixodidae).nine cases of humans parasitized by the brown dog tick, rhipicephalus sanguineus (latreille), are reported. eight cases occurred during 1989. seven of the individuals were from an apparent focus of human biting in northern texas and southwestern oklahoma, one case was from san antonio, bexar county, tex., and one case was from homestead air force base, dade county, fla. these cases suggest that the role of r. sanguineus in the transmission of the etiologic agent of canine ehrlichiosis and other ...19902280392
a systematic effort to reduce smoking at the worksite.smoking control is a key element of worksite health promotion. this three-stage study in a large state human services agency included a baseline survey, an assessment of the effects of competition on recruitment to a self-help cessation program, and examination of the outcome of the cessation program. in stage 1, scales for measuring smoking-related attitudes and the social environment were developed and used to study norms for smoking. regression analysis was used to ascertain correlates of smo ...19902318654
human immunodeficiency virus infections in teenagers. seroprevalence among applicants for us military service. the walter reed retrovirus research group.between october 15, 1985, and march 31, 1989, serum specimens from 1 141 164 teenaged youths (aged less than 20 years) who applied for entry into the us military were tested for antibodies to the human immunodeficiency virus. overall, 393 teenaged applicants were found to be seropositive (prevalence, 0.34 per 1000). prevalences varied markedly in different geographic locales: less than 0.1 per 1000 throughout the north-central states, compared with greater than 2 per 1000 in urban counties in ma ...19902319667
rickettsia in texas.since the first reported case in 1941, rocky mountain spotted fever in humans has been reported from many areas of texas, with two major foci, one located in the north-central region and the other in the eastern region of the state. during the period 1979-1988, 421 cases of rmsf were reported, reaching 108 cases in 1983 and declining in subsequent years. statewide surveillance programs to detect spotted fever group rickettsiae in tick populations were initiated in 1976. in recent years, the sfg ...19902378448
pediatric aids: prevention of hiv infection in infants and children.the centers for disease control reported that 109,167 cases of aids had been diagnosed since 1981 and that approximately 40,000 persons were living with aids at the time of this writing. these numbers, however, are the tip of an iceberg that consists of approximately 1.5 million americans who are infected by the human immunodeficiency virus (hiv). as we described in earlier articles of this series, the hiv infection/aids epidemic has invaded the domain of the american family through heterosexual ...19902408177
chronic ectopic pregnancy. a comparison with acute ectopic pregnancy.an ectopic tubal pregnancy that undergoes repeated minor ruptures instead of a single episode of rapid bleeding frequently develops into a pelvic hematocele. the hematocele, which contains old blood, clots and gestational tissue, is surrounded by adhesions and is misleadingly called a "chronic" ectopic pregnancy. the term "chronic" describes only the appearance of the pelvic mass and does not necessarily imply chronicity of duration. its incidence was 28% in our series of 149 ectopic pregnancies ...19872435551
genetic analysis of childhood sarcoma.a survey of cancer in 159 3-year survivors of childhood soft tissue sarcoma and their relatives revealed a cancer excess in first-degree relatives primarily due to cancers occurring before the age of 35 years and a highly significant excess in relatives of patients with second malignant neoplasms. tumors of soft tissue and bone, breast, and brain were in excess in relatives and as second malignant neoplasms in patients. to determine the most likely explanation for the observed cancer distributio ...19892488230
rabies surveillance, united states, 1988.the primary purpose of the annual report on rabies surveillance is to assist local and state public health officials in the planning of rabies control programs and to guide health professionals in evaluating the need for rabies postexposure prophylaxis in patients who are exposed to animals that may be rabid. in 1988, a total of 4,724 cases of animal rabies were reported by 47 states, the district of columbia, and puerto rico, similar to the total (4,729) for 1987. no human cases of rabies were ...19892505046
exposure to and precautions for blood and body fluids among workers in the funeral home franchises of fort worth, texas.in 1982 the centers for disease control published a set of recommendations and measures to protect persons working in health care settings or performing mortician services from possible exposure to the human immunodeficiency virus. this study of a number of funeral homes in the fort worth area was designed to determine the level of exposure of funeral home workers to blood and other body fluids and also to assess existing protective measures and practices in the industry. workers in 22 funeral h ...19892549820
evidence for spread of the human immunodeficiency virus epidemic into low prevalence areas of the united states.reports of an increased proportion of aids cases occurring in small and medium-sized cities suggest that the hiv epidemic may be spreading into locations that were previously characterized by their low hiv antibody prevalences. studying the question of the geographic spread of the hiv infection epidemic (rather than the aids epidemic) has been difficult largely because most serial seroprevalence data have been gathered from cohorts of high risk individuals (e.g., homosexual/bisexual cohorts) in ...19892585245
introduction of hiv infection among intravenous drug abusers in low prevalence areas.to explore the introduction of human immunodeficiency virus (hiv) infection into intravenous drug abusing populations, risk behaviors of 1,154 intravenous drug abusers (ivdas) in four u.s. cities with low prevalence of ivda/hiv infection (0.9-13.0%) were examined. seropositive subjects (n = 54) were compared with demographically matched seronegative controls regarding drug use practices, homosexual contact, blood transfusions, risk behaviors while traveling or living in high prevalence areas, an ...19892585246
focus of human parasitism by the brown dog tick, rhipicephalus sanguineus (acari: ixodidae).throughout most of its range, the brown dog tick, rhipicephalus sanguineus (latreille), prefers dogs as a host, but human bites occasionally occur in the mediterranean region and central america; historically, this species has rarely bitten humans in the united states. a focus of 15 human bite cases by this tick is reported from four air force bases located within 200 miles of each other in north central texas and southwestern oklahoma. the sudden appearance of numerous documented bite cases ind ...19892585458
1989 aids update.the leadership of the 70th texas legislature (1987) created the legislative task force on aids to study the impact of aids in texas and to recommend to the 71st legislature (1989) public policies needed to reduce the impact of aids in texas. the task force held numerous public hearings and received testimony from witnesses involved with all areas touched by aids. the task force also surveyed state agencies, health care entities, and met with statewide associations, including the texas medical as ...19892595605
monitoring patient outcome following discharge: a computerized geriatric case-management system.many political, economic, and social factors are influencing health care providers to consider case-management programs. the authors describe a computer-supported, hospital-based case management program for elderly patients and report on the benefits and drawbacks of the program. primary benefits include access to better client data, improved discharge planning capabilities, and greater program efficiency. drawbacks chiefly are related to the difficulties inherent in introducing computerization ...19892599485
teacher perspectives after implementing a human sexuality education program.to help teachers enhance the effectiveness of their classroom instruction in human sexuality education, it is necessary to understand their attitudes and concerns about their teaching experiences. forty-seven sixth grade teachers were surveyed one year after curriculum implementation to examine perceptions of themselves, their students, colleagues, and community. teachers answered 70% of the knowledge items correctly and indicated slightly liberal orientations. overall levels of teachers' views ...19892615329
are texas dentists burned out?burnout is a syndrome of emotional exhaustion, depersonalization, and reduced personal accomplishment that can occur among individuals who do "people work" of some kind. health care providers, including dentists, are at high risk for burnout because their occupation often requires intense interaction with fearful, demanding patients on a daily basis. the purpose of this study was to assess the prevalence of burnout among texas dentists using a standardized measurement device, the maslach burnout ...19892638047
civil monetary penalties law: mistakes could be (very) costly.the civil money penalties law (cmpl) authorizes the secretary of health and human services to impose civil money penalties, an assessment, and program exclusion for various forms of fraud and abuse involving the medicare and medicaid programs. penalties range from $2,000 to $100,000 for each violation, depending on the specific misconduct involved. the monetary sanctions imposed generally far exceed the damages actually sustained by the government. the inspector general must only prove liability ...19892660314
medicare recoupment: a legal and legislative update.in 1987, the texas medical association and 20 other plaintiffs filed suit against the us department of health and human services (hhs) over the federal government's effort to recoup $14 million from physicians and patients for alleged overpayments during july 1985 through march 31, 1986. a federal district court judge granted a preliminary injunction that halted the recoupment pending a full hearing on the merits of the case and a decision. in june 1989 the court of appeals overturned the distri ...19892686079
genetic studies of ro (ss-a) and la (ss-b) autoantibodies in families with systemic lupus erythematosus and primary sjögren's syndrome.using enzyme-linked immunosorbent assays, autoantibodies to ro (ss-a) were detected in the sera of 21% of the first-degree relatives and 11% of the second-degree relatives of anti-ro-positive probands with systemic lupus erythematosus (sle) or primary sjögren's syndrome, as compared with 3% of normal control subjects (p = 0.003 and p = 0.09, respectively). in a parallel study, anti-ro occurred in 28% of the first-degree relatives of unselected members of families of sle patients, regardless of t ...19892706027
viscerotropic rocky mountain spotted fever in southeastern texas: report of a survivor with atypical manifestations and multiple organ failure.a 32-year-old black man from rural southeastern texas had headache, fever, chills, bronchopneumonia, and an atypical rash, complicated by hypotension, lethargy, confusion, liver dysfunction, thrombocytopenia, and acute renal failure. the diagnosis of rocky mountain spotted fever (rmsf) was not suspected until eight days after the onset of symptoms. he was subsequently treated with chloramphenicol, followed by hemodialysis and aggressive supportive therapy. he recovered uneventfully with complete ...19892717989
effects of a 7-cent tobacco tax hike.texas health and human services programs could receive nearly half a billion dollars in additional funding over the state's 1990-1991 budget period under proposals being advocated by comptroller of public accounts bob bullock. the proposals center on a 7-cent rise in the state's cigarette tax, with equivalent increases in other tobacco taxes. revenue from the additional tax--estimated at $166 million in 1990-1991--would be directed into state health and human services programs eligible for feder ...19892727944
oig v. burditt, md (it could happen to you).following a five-month evaluation by texas medical association's physician patient advocacy committee, the association has loaned its support to victoria obstetrician/gynecologist michael l. burditt, md, whom the government has charged with violating federal guidelines for hospital transfers. the office of the inspector general is challenging dr burditt's treatment and hospital transfer decision made for rosa rivera and her fetus on dec 5, 1986. advocacy committee chairman nancy dickey, md, and ...19892734706
cryptosporidiosis in a day-care center.cryptosporidiosis has typically been considered a disease of animals, and the occasional human case has been considered a rare zoonosis or evidence of immunoincompetence. in this report, person-to-person transmission is postulated for illness documented in two of five rooms of a day-care center. of 46 persons (34 children and 12 staff members), 29 (63%) became ill, and 27 (58.7%) had cryptosporidium in their stools. symptoms in children included diarrhea (55%), weight loss (25%), flatulence (15% ...19892734710
a baseline study of aids in texas: knowledge, attitudes, and behaviors.the texas department of health reports that as of march 31, 1989, texas ranked fifth in the nation for aids cases, with a total of 6,312 cases and 3,829 deaths. cited in a report from the texas legislative task force on aids, tdh estimates that 100,000 texans are infected with human immunodeficiency virus (hiv), with houston and dallas ranking 4th and 10th respectively in the nation for aids cases. since 1986, aids has been the leading cause of death for men 25-44 years of age in houston, with h ...19892734711
aflatoxins in domestic and imported foods and feeds.aflatoxins, metabolic products of the molds aspergillus flavus and a. parasiticus, may occur in foods and feeds. these toxins cannot be entirely avoided or eliminated from foods or feeds by current agronomic and manufacturing processes and are considered unavoidable contaminants. to limit aflatoxin exposure, the u.s. food and drug administration (fda) has set action levels for these toxins in foods and feeds involved in interstate commerce. fda continually monitors food and feed industries throu ...19892759983
leptospirosis. epidemiological features of a sporadic case.leptospirosis occurred in a 45-year-old man with presumed infection from an exposure to contaminated water at his source of employment. an intensive epidemiological investigation, including serological examination of all family members and pets and cultures on the patient and his family pets (cats and dogs), proved that the leptospiral organism was acquired by the patient's exposure to his dogs. the risk of acquiring infection from dogs that are asymptomatic and vaccinated is emphasized by this ...19892764659
the changing epidemiology of human brucellosis in texas, 1977-1986.from 1977-1986, a total of 331 laboratory confirmed cases of human brucellosis were reported in texas. the annual number of cases ranged from 13 in 1977 to 84 in 1983. males accounted for 66% of the cases. cases ranged in age from one to 92 years, with 57% between the ages of 20 and 49 years. brucella melitensis infections accounted for 66% of the bacteriologically confirmed cases. infection with brucella canis was identified in four patients. annual incidence rates were higher in hispanics in e ...19892787107
patterns and economic effects of drug overdose mortality in texas: 1980-1986.drug overdose mortality and its economic consequences are explored for ten different drug categories in this article. data on drug overdose mortality in texas for the years 1980-1986 are examined and a cost of mortality analysis is presented using the human capital methodology. in addition, mortality rates per 100,000 population are presented for each drug category. the results indicate that the cost of drug overdose mortality has more than doubled over the six-year period. the greatest growth i ...19892788730
genetic studies of type 2 (non-insulin-dependent) diabetes mellitus: lack of association with seven genetic markers.type 2 (non-insulin-dependent) diabetes mellitus, a disease of complex aetiology, has been reported to be nonrandomly associated with several polymorphic markers in human populations. these data, plus evidence of a high prevalence of type 2 diabetes mellitus in american indians and mixed populations, such as mexican-americans, which is only partially attributable to the prevalence of obesity in these populations, makes it imperative that the nature of such associations be clarified in relation t ...19892792588
identification and characterization of bahia grande, reed ranch and muir springs viruses, related members of the family rhabdoviridae with widespread distribution in the united states.sixteen virus isolates with similar biological characteristics were obtained from salt-marsh mosquitoes collected in south texas in 1974. when compared antigenically, these and 13 other isolates from mosquitoes collected between 1972 and 1979 in west texas, new mexico, louisiana, colorado and north dakota were shown to be related but not identical. three distinct serotypes were determined: bahia grande (prototype strain tb4-1054), reed ranch (tb4-222) and muir springs (76v-23524). when examined ...19862872270
impact of climate on western equine encephalitis in manitoba, minnesota and north dakota, 1980-1983.information was collected on confirmed outbreaks of western equine encephalitis (wee) in north america east of the rockies for 1981 and 1983 (epidemic years) and 1980 and 1982 (non-epidemic years). the initial pattern of outbreaks in manitoba, minnesota and north dakota was determined for each year. backward (and in some instances forward) wind trajectories were computed for each day 4-15 days (incubation period) before the initial outbreaks of wee in a given area of province or state. during th ...19882905669
a cluster of young patients with burkitt's lymphoma and nasopharyngeal carcinoma in central texas.during a five-month period in 1982, diagnoses were made of burkitt's lymphoma in three children and nasopharyngeal carcinoma in three teenagers who were residents of a small geographic area of central texas. the observed number of these two epstein-barr virus-related cancers was significantly greater than the number expected in young patients based on surveillance, epidemiology, and end results incidence rates. no epidemiologic associations were found linking any of the patients. environmental s ...19852985836
restriction fragment length polymorphism of the human insulin gene region among type ii diabetic mexican-americans and tunisians.the human insulin gene is flanked by a polymorphic locus that is located approximately 500 base pairs (bp) from the 5' end of the point where transcription begins (bell et al. 1981; bell et al, 1982). its occurrence is due to an insertion-deletion region which gives rise to two major classes of alleles: those containing small insertions of 0-600 bp and those containing larger insertions of 1,600-2,200 bp (owerbach and nerup, 1982). insertions of 600-1,600 bp are rare (rotwein et al., 1983). the ...19863016846
tuberculosis--united states, 1985--and the possible impact of human t-lymphotropic virus type iii/lymphadenopathy-associated virus infection.data on the number of reported cases of tuberculosis in the us in 1985 support the hypothesis that human t-lymphotropic virus type iii/lymphadenopathy-associated virus (htlv-iii/lav) infection of persons infected with the tubercle bacillus has caused an increase in tuberculosis in some areas. the 21,801 tuberculosis cases reported in 1985 represented a 2% decline from the 1984 total of 22,255 cases. however, the average decline in the 1982-84 period was 6.7%, indicating a slowing of the downwa ...19863080659
capillary gas chromatography of cotton dusts associated with human pulmonary function studies.the effects of geographical area of growth and cotton variety on pulmonary activity have been evaluated through human volunteer exposure studies conducted by niosh and usda at the cotton quality research station, clemson, s.c. these studies demonstrate that carding california cottons releases dust with less human pulmonary activity than dust released from the corresponding mississippi cottons. dust released from texas cottons grown in 1982 was considerably less active than the dust from texas co ...19873105302
immunogenetic analysis of human tuberculosis.an investigation was undertaken to determine if susceptibility and/or immune response to mycobacterium tuberculosis was associated with histocompatible leukocyte antigen (hla) phenotype frequencies of class i or ii antigens. comparisons of the hla phenotypes of 51 mexican-american patients with tuberculosis and 54 healthy subjects who differed in their skin-test reactivity to purified protein derivative (ppd) revealed that hla-dr3 was significantly decreased in patients with tuberculosis, compar ...19883264314
the prevalence of positive test results for chlamydia trachomatis by direct smear for fluorescent antibodies in a south texas family planning population.chlamydia trachomatis is a major human genital pathogen implicated as a leading cause of involuntary infertility in women. to assess the prevalence of results positive for c trachomatis by a direct immunofluorescent test in a family planning population, mass screening of all patients attending five urban family planning clinics was conducted for a two-month period. the objectives of this study were to assess the prevalence of positive c trachomatis test results in this population and to evaluate ...19883290477
adoption of thermometry into clinical practice in the united states.technologic advances in thermometer design and conceptual advances in the understanding of homeostasis between 1700 and 1850 led to recognition of the usefulness of measuring body temperature in human disease. these advances took place in europe and great britain, culminating in the publication in 1868 of the seminal work on fever in human disease by carl wunderlich. in the united states thermometry was popularized by a number of distinguished american physicians who used european data that had ...19873321368
geographic distribution of human immunodeficiency virus markers in parenteral drug abusers.drug abuse treatment programs in six regions of the united states collaborated in a study aimed at monitoring trends in the seroprevalence of human immunodeficiency virus (hiv) antibodies. the wide disparities in hiv seroprevalence in the face of similarities in drug using behavior have important implications for prevention. in the new york city area (harlem, brooklyn), 61 per cent of samples (n = 280) obtained in late 1986 were positive, up from 50 per cent of samples (n = 585) in early 1985. i ...19883348473
psychiatric illness at all stages of human immunodeficiency virus infection. 19883358476
observations in the rehabilitation hospital: twenty years of research.for the past 20 years two research groups, one in texas and one in california, have been making systematic observations of rehabilitation hospital activities. in both programs interest in recording behavior originated with an environmental psychology orientation. the texas investigations focused primarily on individuals with spinal cord injury, both during rehabilitation and after discharge. in california, the study populations have been primarily those with strokes. early work revealed that pat ...19883408334
human immunodeficiency virus infections among civilian applicants for united states military service, october 1985 to march 1986. demographic factors associated with seropositivity.during the six months from october 1985 through march 1986, blood samples from 306,061 civilian applicants for military service from the united states were tested for antibody to the human immunodeficiency virus (hiv). four hundred sixty subjects were positive for the antibody as determined by western (immune) blot reactivity. the mean prevalence of hiv infection in this population of teenagers and young adults was thus 1.50 per 1000. according to multivariate analysis, the following demographic ...19873474519
strategic planning for clinical services: the university of texas m.d. anderson hospital and tumor institute.a formal, hospitalwide strategic-planning process provides structure for the pharmacy's plans for implementing clinical services. the state-supported clinical cancer and research center began a formal strategic-planning process in 1981. the institution's planning report, prepared every two years and covering three two-year periods, drives the institution's budget through the state's biennial budget process. the report focuses on each department's responsibilities, areas of service, and relations ...19863532778
acute respiratory disease associated with influenza epidemics in houston, 1981-1983.virological surveillance at "sentinel" clinics in houston has demonstrated that the annual peak in the number of visits for acute respiratory disease (ard) always coincides with the peak of influenza virus activity. a survey of visits to a health maintenance organization between 1981 and 1983 allowed us to calculate the age-specific rates of visits for ard during two moderately severe influenza epidemics (1981-1982 and 1982-1983). during the most intense period of influenza virus activity the ra ...19873572033
isolation of borrelia spirochetes from patients in texas.the texas department of health laboratory began culturing the lyme disease spirochete borrelia burgdorferi in 1985. this organism was subsequently isolated from blood, cerebrospinal fluid, joint fluid, skin, bone, and autopsy tissues from humans. fluorescent-antibody tests with murine monoclonal antibodies confirmed that seven of these isolates were b. burgdorferi and that two others belonged to the genus borrelia.19873611307
survey of underlying conditions of persons hospitalized with acute respiratory disease during influenza epidemics in houston, 1978-1981.the peak occurrence of hospitalizations of persons with acute respiratory disease (ard), usually pneumonia, has coincided with the peak of influenza virus activity each year. the purpose of this study was to examine the diagnoses other than ard on the discharge record of patients hospitalized with ard. we were particularly interested in determining the frequency of high-risk conditions for which influenza vaccine is currently recommended. the risk for ard hospitalization was 19.7 per ten thousan ...19873631727
a survey of aspirin use and reye's syndrome awareness among parents.a national telephone survey of 1,155 parents of children 19 years of age and younger solicited patterns of medication use during episodes of childhood flu and chicken pox. during the previous two years, 6 per cent of the parents whose children had chicken pox and 16 per cent of parents whose children had flu administered aspirin. approximately 12 per cent of the total sample said they would give their child aspirin if their child were to get the flu or chicken pox today. about half (53 per cent) ...19863777289
dermal leishmaniasis in a texas cat.leishmaniasis was diagnosed by demonstrating amastigotes of leishmania from dermal lesions on the ear of a male long-haired domestic cat from uvalde, texas. leishmania from the cat were propagated in syrian hamsters, bovine macrophages, and in nnn medium. the organism, in the l. mexicana complex, is apparently the same as that reported from recent human cases in the same area.19863789264
urban outbreak of goat cheese brucellosis.in 1983 an outbreak of human brucellosis caused by brucella melitensis occurred among residents of a predominantly hispanic neighborhood in houston, tx. the source of the infections was traced to unpasteurized goats' milk cheese imported from mexico. nineteen of the 31 patients who contracted the disease were members of 5 families, which included 11 children ranging in age from 2 to 17 years. infection was generally associated with protein complaints and a paucity of physical findings. both immu ...19863797296
association of the human lewis blood group le(a-b-c-d-) with the failure of expression of alpha-3-l fucosyltransferase.two unrelated individuals are reported who lack alpha-3-l-fucosyltransferase activity in their serum and saliva. both were blacks, one from the united states and the other from south africa. no other of the tested members of their families lacked this enzyme. a survey of more than 2000 serum samples from both black and white south african blood donors, black united states donors and white united kingdom donors failed to disclose another example of a serum deficient in alpha-3-l-fucosyltransferas ...19863809884
videotaped interviews in child sexual abuse cases: the texas example.suchrara writes [1977: 296] that "a child's right to humane treatment must be considered not an option on the part of adults, but an obligation." the use of videotaped interviews as admissible judicial evidence is an important step toward suchrara's goal; videotaped testimony attempts to balance the emotional, psychological, and developmental needs of the child with the civil liberties afforded to alleged perpetrators. the texas state legislature, with the passage of senate bill 836, broadened t ...19873816338
occupational stress in special education: a challenge for school health professionals.results of this study support the hypothesis that the majority of special educators, their support personnel, and general education administrators do not experience more job dissatisfaction than comparable occupational groups. however, they do report lower levels of subjective well-being when compared with normal populations. furthermore, 18% of the educators in the study perceived themselves as failing to cope with their job, experienced more frequent symptoms of poor physical health, and repor ...19853851097
human rabies diagnosed 2 months postmortem--texas. 19853932835
update: influenza activity--united states. 19853934521
human ventilatory response to washed and unwashed cottons from different growing areas.thirty volunteer subjects were exposed to controlled amounts of respirable dust generated by the carding of cotton in an experimental cardroom. eighteen exposures each lasting six hours were performed while carding unwashed and washed cottons from the three major growing regions of the united states. elutriated dust was analysed gravimetrically and was comparable (0.59 mg/m3 +/- 0.04) for all exposures. spirometry was recorded before and after each exposure. california cotton resulted in a signi ...19863947581
influenza: its control in persons and populations. 19863950437
viral hepatitis risk in urban emergency medical services personnel.houston has large groups of people known to be at high risk for hepatitis b virus (hbv) infection. emergency medical services (ems) personnel are continuously exposed to blood from these high-risk individuals. we sought to determine the prevalence of hbv infection in the city's ems personnel. of the 350 houston firefighters assigned to ems, 344 were surveyed by questionnaire and a blood specimen was obtained. each sample was assayed by radio-immunoassay or enzyme-linked immunoassay for hepatitis ...19863954182
comparison of infection rats and severity of illness for influenza a subtypes h1n1 and h3n2.in the houston family study, overall rates of infection for the three major outbreaks of influenza a from 1977 to 1981 were higher for subtype h3n2 than for h1n1. rates in school children were almost identical, but rates of infection with h1n1 were lower in adults and in preschool children, especially those younger than two years of age. however, rates for the two subtypes were similar in young children within families that experienced influenza a infections. in the total population overall illn ...19853965595
human cutaneous leishmaniasis acquired in texas.four cases of autochthonous human cutaneous leishmaniasis have been identified in south-central texas since 1980. the patients presented with chronic ulcerating papules on the face, earlobe, and lateral thigh. in two patients, the infections healed without treatment. in the other two patients, the lesions healed following treatment with intramuscular sodium stibogluconate or topical antimony potassium tartrate. serologic testing of family members, using four different techniques, indicates that ...19853970310
acute respiratory disease hospitalizations as a measure of impact of epidemic influenza.current measures of the health impact of epidemic influenza focus on analyses of death certificate data which may underestimate the true health effect. previous investigations of influenza-related morbidity either have lacked virologic confirmation of influenza virus activity in the community or were not population-based. community virologic surveillance in houston, texas has demonstrated that influenza viruses have produced epidemics each year since 1974. this study examined the relationship of ...19854025296
prevalence of serum and milk antibodies to giardia lamblia in different populations of lactating women.we used an enzyme-linked immunosorbent assay system to compare prevalence and levels of systemic and local antibody to giardia lamblia in different populations. serial blood and milk samples were collected simultaneously from lactating women in texas and mexico. igg antibody to g. lamblia was present in 118 (77%) of 153 sera from 27 mexican mothers but in only 51 (24%) of 214 sera obtained from 28 texan mothers (p less than .001). sera positive for igg antibody to g. lamblia revealed antibody le ...19854045243
influenza b virus reinfection.four outbreaks of influenza b infection occurred in houston, texas in the years 1976-1984. in the houston family study, age-related infection and illness rates in the recent two epidemics resembled those reported previously. a total of 118 persons, including 35 children followed from birth, were followed longitudinally through this entire period and 331 persons were studied through at least two outbreaks. fifty-nine (88%) of 67 children studied for four outbreaks were infected and 25% had a seco ...19873826038
fragile-x mental retardation syndrome transmitted through intellectually normal males: implications for genetic counseling.the fragile-x mental retardation syndrome is the second most common identifiable cause of mental retardation in man. this condition violates many of the expectations for x-linked disorders, including the transmission of the syndrome through men who carry the gene but, for unknown reasons, do not express it. two new cases of male transmission are presented along with four other cases heretofore unidentified in the literature, bringing the total number of confirmed or probable cases of transmissio ...19863704696
relationship between levels of chlorinated hydrocarbon insecticides in human milk and serum. 19714115905
proceedings: total mediation: toward creative human experience for the deaf student. 19734127158
complement-fixation and hemagglutination antigens from a chlamydial (ornithosis) agent grown in cell cultures.methods are described for the preparation of complement-fixation (cf) and hemagglutination (ha) antigens from the texas turkey ornithosis agent grown in mccoy cell culture monolayers. the particulate antigens prepared for this study were satisfactory for testing mammalian sera by direct cf tests and avian sera by indirect cf or modified direct cf tests. comparison of titers were made on human, bovine and ovine sera using direct cf tests employing antigen prepared for this study, 6 bc yolk sac an ...19704248445
environmental factors influencing isolation of enteroviruses from polluted surface waters.the influence of water quality upon the concentration of virus on location was assessed in field studies conducted in the houston ship channel, galveston bay, and houston waste treatment plants. clarification of polluted surface waters was accomplished with minimal loss of virus. virus from clarified sewage effluents and saline waters was then adsorbed and concentrated on textile and membrane filter surfaces. direct measurements of virus from large volumes of polluted surface waters under existi ...19744364463
lead concentrations in human lung samples: a statistical analysis. 19744417041
an outbreak of an influenza type a variant in a closed population: the effect of homologous and heterologous antibody on infection and illness. 19744479059
influenza during pregnancy in relation to subsequent childhood leukemia and lymphoma. 19744529579
tma's new president physician, rancher, family man. 19724554487
health hazards from wastewater treatment practices. 19734568795
man against insect. 4. theobald smith v texas fever. 19744604722
law-medicine notes. the first mechanical heart transplant: informed consent and experimentation. 19744606719
a survey of trace metals in human hair. 19734746188
human leptospirosis in texas: a nine-year overview. 19734764631
harry harris. the william allan memorial award presented at the annual meeting of the american society of human genetics, austin, texas october 12, 1968. 19694890276
walter walthall, m.d.: the man in control. 19704913545
physician-author remembers his father, the man who created the dome. 19714929736
absence of polychlorinated biphenyls in human milk and serum from texas and human milk from new guinea. 19715005174
vitamin a concentration in human tissues collected from five areas in the united states. 19725011912
epidemiology 1960-1969. human brucellosis in texas. 19715107029
climatological effects on human parotid gland function. 19665225859
a model for cesium-137 body burdens in man. la-3848-ms. 19685302799
serological responses and results of natural infectious challenge of recipients of zonal ultracentrifuged influenza a2-aichi-2-68 vaccine.in an epidemic of hong kong influenza in a penal institution, acute respiratory illness occurred in 5.6% of 196 inmates given single subcutaneous doses of 332, 535, or 1 265 cca of zonal centrifuged, inactivated vaccine and in 11.7% of 755 nonvaccinated inmates (p<0.03). the frequency of illness among inmates who received single doses of 54 or 137 cca of vaccine was not significantly different from that among the nonimmunized inmates (chi(2)=0.93, not significant). the vaccine was prepared with ...19715317012
human relations training for police and community. 19685682839
imidazole lactic acid--a component of normal human urine. 19676017775
some new phenotypes of human red cell acid phosphatase. 19676019303
transplantation of the heart in a man from puerto rico: a case report. 19863530274
prenatal care and the low birth weight infant.in this study the authors assessed human and economic consequences of low birth weight linked to the lack of prenatal care for indigent women. low birth weight infants were defined as those who weighed between 860 and 2220 g, corresponding to the 50th percentiles at 26 and 34 weeks' gestation. women seeking prenatal care had a significantly decreased incidence of low birth weight infants compared with those without such care. concomitantly, low birth weight infants born to women with prenatal ca ...19854058817
predisposition to invasive pneumococcal illness following parainfluenza type 3 virus infection in chimpanzees.an outbreak of invasive disease, including pneumococcal bacteremia, meningitis, and pneumonia, involved 17 of 83 (20.5%) chimpanzees at a primate rehabilitation unit. invasive disease was more common in splenectomized than in nonsplenectomized animals (42.9% vs 18.4%), but the difference was not statistically significant. the outbreak followed closely an outbreak of upper respiratory tract infection (urti) that occurred with equal frequency in splenectomized and nonsplenectomized chimpanzees. th ...19846096328
a/ussr and b/hong kong vaccine. field experiences during an a/brazil and an influenza b epidemic.young adults vaccinated in late spring of 1978 with one dose of vaccine containing either 7 microgram or 20 microgram of a/ussr (h1n1) hemagglutinin, followed by a dose of trivalent (a/ussr, a/texas, b/hong kong) vaccine, were observed through an epidemic of a/brazil influenza in the winter of 1978-1979, and of influenza b in 1979-1980. influenza infection was diagnosed by virus isolation or serological titer rises between the spring seasons of 1978, 1979, and 1980. during the a/brazil epidemic, ...19816163876
surveillance of influenza in houston, texas, usa: gradual transition from a/victoria/75 (h3n2) to a/texas/77 (h3n2) predominance and antigenic characterization of "intermediate" strains.influenza epidemics in houston, texas, usa, during the winters of 1975-76, 1976-77, and 1977-78 were attributed to a/victoria/3/75 (h3n2), b/hong kong/5/72, and a/texas/1/77 (h3n2)-like viruses, respectively. both a/victoria and a/texas viruses were detected towards the end of the 1976-77 epidemic and throughout the 1977-78 epidemic. to determine if there had been a gradual transition in the predominant strain, 267 viral isolates from the 1975-76 epidemic were tested for a/texas virus. eight spe ...19836190585
leads from the mmwr. human rabies diagnosed two months postmortem--texas. 19854068160
human in vitro fertilization and embryo transfer at the university of texas, houston.the current clinical and laboratory protocols of the in vitro fertilization program at the university of texas at houston are described and detailed. most patients treated have tubal disease, with a limited number of couples having male factors. clomiphene citrate (50 mg/day, cycle days 5-9) with or without added menopausal gonadotropins is the principle agent for enhanced follicular recruitment. follicular development is monitored primarily with daily ultrasonography, and human chorionic gonado ...19846242158
isolation of nontoxigenic vibrio cholerae o group 1 from a patient with severe gastrointestinal disease.a nontoxigenic strain of vibrio cholerae o group 1 was isolated in florida from the stool of a patient with severe diarrhea. the strain had the same hemolytic and unique phage-sensitivity pattern as all toxigenic isolates from recent cases of cholera in texas and louisiana. identical strains were transiently isolated from sewerage systems in two other florida communities, suggesting that multiple human infections had occurred. this is the first indication that v. cholerae o1 strains which do not ...19846199370
outbreak of aseptic meningitis due to echo-9 virus. 19676047550
viral pneumonia as a cause and result of hospitalization. 19836302174
rna electropherotypes of human rotaviruses from north and south america.between april 1979 and december 1982, viral agents were found in 231 of 695 children admitted to the texas children's hospital with gastroenteritis. electron microscopic analysis showed that rotaviruses were the most common viral agents, and a seasonal pattern of rotavirus disease was observed. the migration patterns of the rna segments of these rotaviruses on electrophoresis in polyacrylamide gels were compared with those of rotaviruses collected from other areas of the united states of america ...19846329538
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