| an outbreak of type a viral hepatitis at the naval training center, san diego: epidemiologic evaluation. | in october 1974, a large foodborne outbreak of hepatitis occurred among naval personnel undergoing basic training at the naval training center, san diego, california. of the 2781 recruits eating at the implicated dining hall on the day disease transmission occurred, 133 developed clinical or laboratory evidence of hepatitis for an attack rate of 47.8/1000. the epidemiologic investigation suggested that hepatitis a virus was the etiologic agent, and this was subsequently confirmed by laboratory e ... | 1977 | 189601 |
| viral hepatitis: enzyme assays and serologic procedures in the study of an epidemic. | an epidemic of viral hepatitis beginning in late 1975 in a residence for multiply handicapped children, recognized very early in its course, was investigated prospectively to permit comparison of enzymatic and serologic tests. thirty-three residents of the institution and 46 full- and part-time employees were studied by the immune adherence hemagglutination procedure for antibody (anti-hav) to hepatitis a virus (hav). of these, 31 residents and 37 staff members were susceptible at the beginning ... | 1977 | 201170 |
| epidemic non-a, non-b hepatitis in patients from pakistan. | epidemic non-a, non-b hepatitis was diagnosed in three young pakistani men during a 10-month period at the los angeles county-university of southern california medical center. all three patients had recently visited or lived in karachi, pakistan. none had serologic markers of hepatitis b virus infection or igm antibody (acute-phase) to hepatitis a virus. a liver biopsy from one patient showed marked cholestasis and cholangiolar transformation of hepatocytes, a pattern previously described in pat ... | 1987 | 3099621 |
| an outbreak of hepatitis a associated with green onions. | forty-three cases of serologically confirmed hepatitis a occurred among individuals who ate at restaurant a in ohio in 1998. serum samples from all restaurant a employees who worked during the exposure period were negative for igm antibodies to hepatitis a virus (hav). a matched case-control study determined that foods containing green onions, which were eaten by 38 (95%) of 40 case patients compared with 30 (50%) of 60 control subjects, were associated with illness (matched odds ratio, 12.7; 95 ... | 2001 | 11262211 |
| regional variation in the cost effectiveness of childhood hepatitis a immunization. | routine childhood hepatitis a immunization is recommended in regions with incidence rates twice the national average, but it may be cost-effective in a wider geographic area. | 2003 | 14551492 |
| pcr detection of pathogenic viruses in southern california urban rivers. | to investigate human viral contamination in urban rivers and its impact on coastal waters of southern california, usa. | 2004 | 15186438 |
| helicobacter pylori and risk of gastroenteritis. | helicobacter pylori infection is thought to modify susceptibility to gastroenteritis. | 2004 | 15216465 |
| hepatitis a in hispanic children who live along the united states-mexico border: the role of international travel and food-borne exposures. | hispanic children who live along the united states-mexico border historically have had among the highest hepatitis a rates in the united states, but risk factors have not been well characterized. the objective of this study was to examine risk factors associated with acute hepatitis a virus (hav) infection in hispanic children who live along the united states-mexico border in san diego county, california. | 2004 | 15231975 |
| hepatitis a vaccine uptake in san diego county: hispanic children are better immunized. | few studies have examined compliance with hepatitis a vaccination recommendations or factors likely to predict vaccination against hepatitis a virus. | 2005 | 16203943 |
| hepatitis and human immunodeficiency virus co-infection among injection drug users in los angeles county, california. | this study examined the prevalence of hepatitis a (hav), b (hbv), c (hcv), and human immunodeficiency virus (hiv) co-infection among injection drug users (idus) in los angeles county, california, and predictors of multiple infections in this population. six hundred seventy-nine idus were recruited from october 2002 through june 2004. participants completed questionnaires to elicit demographic, drug and sex risk information, and were tested for hepatitis a, b, c and hiv.a linear regression model ... | 2006 | 16785216 |
| quantitative detection of hepatitis a virus and enteroviruses near the united states-mexico border and correlation with levels of fecal indicator bacteria. | for decades, untreated sewage flowing northward from tijuana, mexico, via the tijuana river has adversely affected the water quality of the recreational beaches of san diego, california. we used quantitative reverse transcription-pcr to measure the levels of hepatitis a virus (hav) and enteroviruses in coastal waters near the united states-mexico border and compared these levels to those of the conventional fecal indicators, escherichia coli and enterococci. over a 2-year period from 2003 to 200 ... | 2006 | 16980430 |
| cost-effectiveness analysis of behavioral interventions to improve vaccination compliance in homeless adults. | to estimate the cost-effectiveness of three behavioral interventions provided to enhance hepatitis a virus (hav) and hepatitis b virus (hbv) joint vaccination (hav/hbv) compliance among homeless persons living in los angeles county. | 2009 | 19041351 |
| 3 for life: a model pilot program to prevent hepatitis b virus infection and liver cancer in asian and pacific islander americans. | 3 for life aims to increase hepatitis b virus (hbv) awareness and reduce the high prevalence of undiagnosed chronic hbv infection and susceptibility among asian/pacific islander (api) adults. | 2009 | 19149422 |
| hepatitis a seroprevalence and risk factors among homeless adults in san francisco: should homelessness be included in the risk-based strategy for vaccination? | homeless adults have an increased risk of infectious diseases due to sexual and drug-related behaviors and substandard living conditions. we investigated the prevalence and risk factors for presence of hepatitis a virus (hav) antibodies among homeless and marginally housed adults. | 2009 | 19894423 |
| predictors of hav/hbv vaccination completion among methadone maintenance clients. | this randomized, controlled study (n = 256) was conducted to compare three interventions designed to promote hepatitis a virus (hav) and hepatitis b virus (hbv) vaccination completion among clients undergoing methadone maintenance (mm) treatment. participants were recruited from five mm treatment sites in southern california and randomized into three groups: motivational interviewing-single (mi-single), motivational interviewing-group (mi-group); and nurse-led hepatitis health promotion (hhp). a ... | 2010 | 20143328 |