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arbovirus surveillance in six states during 1972.a virus surveillance project was established and maintained during 1972 along 10 major river drainages in six states. mosquitoes, biting flies, and blood specimens from sentinel equines were collected during 83 field trip visits to 141 arthropod collecting sites and 22 sentinel locations from april into december 1972. there were 173,074 mosquitoes tested and 303 arboviruses isolated from 11 of 41 species. from 13,388 biting flies tested, 8 arbovirus isolations were obtained in 1 of 5 species. th ...19767148
venezuelan equine encephalitis vaccination survey in arizona and new mexico, 1972.field studies were conducted in 1972 to determine the immunization status of equines along the mexico, arizona, and new mexico borders. interviews with horse owners were conducted along roads selected at random in the counties of santa cruz and yuma, ariz., and in dona ana county, n. mex. at least 450 horse owners in each county were asked about the vaccination status of their animals, and information was taken on 1,260 animals. blood specimens were obtained from every third equine, regardless o ...1977877211
trajectory analysis of winds and vesicular stomatitis in north america, 1982-5.outbreaks of vesicular stomatitis, serotype new jersey, during epidemics in the united states and northern mexico, 1982-5, were examined by backward trajectories of winds to investigate spread and possible sources. the outbreaks selected for analysis did not involve introduction of disease by infected animals. the findings indicate that wind could have been responsible for carrying infection from northern mexico to arizona and new mexico and thence to colorado and utah and on to wyoming, idaho a ...19902157606
venezuelan equine encephalitis. potential problem for arizona. 19734732229
salmonella and arizona serotypes from animals and related sources reported during fiscal year 1979. 19806947295
serologic survey for hantavirus infection in domestic animals and coyotes from new mexico and northeastern arizona.to determine whether animals had serologic evidence of infection with sin nombre virus (snv).19989540866
community response to a public health threat: vee. 197510273084
management factors affecting the risk for vesicular stomatitis in livestock operations in the western united states.to identify management factors affecting the risk of animals developing vesicular stomatitis (vs).199910553436
an outbreak of type c botulism in 12 horses and a mule.a usda early response team investigated deaths of several horses and a mule in northern arizona at the request of local animal health officials. thirteen animals (12 horses and 1 mule) housed at 5 facilities in a 7.4 square mile area died between august 1998 and january 1999. clinical signs consisted of muscular weakness that rapidly progressed to lateral recumbency. ten animals had paresis of the tongue, throat, or lips. affected animals appeared alert and were interested in eating and drinking ...200010935041
serologic survey for selected infectious disease agents in swift and kit foxes from the western united states.a serologic survey of swift fox (vulpes velox) and kit fox (v. macrotis) from the western usa was conducted for 12 infectious diseases. samples from swift fox were collected between 1987 and 1992 from colorado (n = 44), kansas (n = 10), and wyoming (n = 9). samples from kit fox were collected in california (n = 86), new mexico (n = 18), utah (n = 9), and arizona (n = 6). overall antibody prevalence rates were 33 of 110 (30%) for canine parvovirus (cpv), 9 of 72 (13%) for canine distemper virus ( ...200011085448
grazing of spotted locoweed (astragalus lentiginosus) by cattle and horses in arizona.spotted locoweed (astragalus lentiginosus var. diphysus) is a toxic, perennial plant that may, if sufficient precipitation occurs, dominate the herbaceous vegetation of pinyon-juniper woodlands on the colorado plateau. six cow/calf pairs and four horses grazed a 20-ha pasture with dense patches of locoweed in eastern arizona during spring 1998. locoweed density was 0.7 plants/m2 in the pasture. locoweed averaged 30.4% ndf and 18.4% cp. concentrations of the locoweed toxin, swainsonine, fluctuate ...200312968704
west nile virus activity--united states, june 16-22, 2004.as of june 22, 2004, seven states reported a total of 32 human cases of west nile virus (wnv) illness to cdc through arbonet. twenty cases were reported from arizona, six cases from california, two cases from florida, and one case each from nebraska, new mexico, south dakota, and wyoming. twenty-three (72%) of the cases occurred in males; the median age of patients was 52 years (range: 9-78 years), and dates of illness onset ranged from may 8 to june 7. sixteen (50%) of the patients had neuroinv ...200415215743
west nile virus activity--united states, june 23-29, 2004.as of june 29, eight states had reported a total of 57 human cases of west nile virus (wnv) illness to cdc through arbonet in 2004. a total of 38 cases had been reported from arizona, 10 from california, three from new mexico, two from florida, and one each from michigan, nebraska, south dakota, and wyoming. thirty-six (64%) of the cases occurred in males; the median age of patients was 53 years (range: 9-84 years), and dates of illness onset ranged from april 23 to june 15. of the 57 cases, one ...200415229416
west nile virus activity--united states, june 30-july 6, 2004.during june 30-july 6, a total of 21 human cases of west nile virus (wnv) illness were reported from two states (arizona and california). during 2004, eight states have reported a total of 78 human cases of wnv illness to cdc through arbonet. of these, 57 (73%) were reported from arizona. forty-seven (61%) of the 78 cases occurred in males; the median age of patients was 53 years (range: 1-84 years); the dates of illness onset ranged from april 23 to june 28; and one case was fatal.200415241302
west nile virus activity--united states, july 14-20, 2004.during the week of july 14-20, a total of 74 cases of human west nile virus (wnv) illness were reported from seven states (arizona, california, florida, new mexico, new york, south dakota, and texas).200415269701
west nile virus activity--united states, july 21-27, 2004.during july 21-27, a total of 83 cases of human west nile virus (wnv) illness were reported from 13 states (alabama, arizona, arkansas, california, colorado, florida, illinois, iowa, missouri, new mexico, ohio, pennsylvania, and south dakota).200415282450
west nile virus activity--united states, august 18-24, 2004.during august 18-24, a total of 154 cases of human west nile virus (wnv) illness were reported from 18 states (alabama, arizona, california, colorado, connecticut, florida, georgia, illinois, kentucky, minnesota, mississippi, missouri, nevada, new mexico, north carolina, south dakota, tennessee, and wisconsin).200415329654
west nile virus activity--united states, august 25-31, 2004.during august 25-31, a total of 210 cases of human west nile virus (wnv) illness were reported from 14 states (arizona, california, florida, illinois, indiana, kansas, maryland, minnesota, montana, nevada, new mexico, north dakota, oklahoma, and pennsylvania).200415343148
west nile virus activity--united states, september 8-14, 2004.during september 8-14, a total of 195 cases of human west nile virus (wnv) illness were reported from 26 states (alabama, arizona, arkansas, california, colorado, florida, georgia, idaho, illinois, iowa, kansas, maryland, minnesota, missouri, nebraska, nevada, new mexico, new york, north dakota, oklahoma, oregon, pennsylvania, south dakota, tennessee, texas, and wisconsin).200415371969
west nile virus activity--united states, september 15-21, 2004.during september 15-21, a total of 218 cases of human west nile virus (wnv) illness were reported from 21 states (arizona, california, florida, illinois, indiana, kansas, maryland, michigan, minnesota, mississippi, missouri, nebraska, nevada, new mexico, north dakota, oklahoma, south dakota, texas, utah, wisconsin, and wyoming).200415385920
west nile virus activity--united states, september 22-28, 2004.during september 22-28, a total of 180 cases of human west nile virus (wnv) illness were reported in the district of columbia (dc) and 24 states (alabama, arizona, california, georgia, illinois, iowa, kansas, kentucky, louisiana, maryland, michigan, minnesota, mississippi, missouri, montana, nebraska, nevada, new mexico, ohio, pennsylvania, texas, utah, wisconsin, and wyoming).200415457147
west nile virus activity--united states, september 29-october 5, 2004.during september 29-october 5, a total of 81 cases of human west nile virus (wnv) illness were reported from 18 states (alabama, arizona, arkansas, california, florida, georgia, illinois, iowa, kansas, kentucky, minnesota, missouri, ohio, oklahoma, pennsylvania, south dakota, texas, and virginia).200415470326
west nile virus activity--united states, october 6-12, 2004.during october 6-12, a total of 86 cases of human west nile virus (wnv) illness were reported from 18 states (arizona, florida, illinois, kansas, louisiana, michigan, minnesota, missouri, nevada, new jersey, new mexico, north dakota, ohio, oklahoma, pennsylvania, tennessee, texas, and utah).200415483530
west nile virus activity--united states, october 13-19, 2004.during october 13-19, a total of 200 cases of human west nile virus (wnv) illness were reported from 20 states (arizona, arkansas, california, colorado, illinois, indiana, iowa, kansas, maryland, michigan, mississippi, missouri, nevada, new mexico, north carolina, oklahoma, pennsylvania, south dakota, wisconsin, and wyoming).200415499683
west nile virus activity--united states, october 20-26, 2004.during october 20-26, a total of 80 cases of human west nile virus (wnv) illness were reported from 16 states (arizona, california, florida, iowa, kentucky, louisiana, michigan, mississippi, missouri, montana, nebraska, new york, ohio, south dakota, texas, and utah).200415514584
west nile virus activity--united states, october 27-november 2, 2004.during october 27-november 2, a total of 10 cases of human west nile virus (wnv) illness were reported from eight states (arizona, georgia, iowa, michigan, new mexico, ohio, oklahoma, and pennsylvania).200415525902
west nile virus activity--united states, november 9-16, 2004.during november 9-16, a total of 31 cases of human west nile virus (wnv) illness were reported from eight states (arizona, georgia, maryland, michigan, missouri, new york, pennsylvania, and texas).200415549023
seroprevalence of antibodies against coccidioides immitis in healthy horses.to determine the seroprevalence of antibodies against coccidioides immitis in healthy horses residing in an area in which the organism is endemic.200515934257
west nile virus disease and other arboviral diseases --- united states, 2010.arthropod-borne viruses (arboviruses) are transmitted to humans primarily through the bites of infected mosquitoes and ticks. since west nile virus (wnv) was first detected in the western hemisphere in 1999, it has become the leading cause of neuroinvasive arboviral disease in the united states. however, several other arboviruses continue to cause sporadic cases and seasonal outbreaks of neuroinvasive disease (i.e., meningitis, encephalitis, or acute flaccid paralysis). this report summarizes su ...201121814163
west nile virus activity--united states, january 1-august 15, 2006.this report summarizes west nile virus (wnv) surveillance data reported to cdc through arbonet as of 3 a.m. mountain daylight time, august 15, 2006. a total of 26 states had reported 388 cases of human wnv illness to cdc. a total of 214 (56%) cases for which such data were available occurred in males; median age of patients was 49 years (range: 2-91 years). dates of illness onset ranged from january 6 to august 10; a total of 13 cases were fatal. a total of 68 presumptive west nile viremic blood ...200616915222
west nile virus activity--united states, august 11-17, 2004.during august 11-17, a total of 194 cases of human west nile virus (wnv) illness were reported from 17 states (alabama, arizona, california, colorado, florida, illinois, louisiana, maryland, minnesota, mississippi, missouri, new mexico, ohio, south dakota, texas, utah, and virginia).200415318160
west nile virus activity--united states, august 4-10, 2004.during august 4-10, a total of 89 cases of human west nile virus (wnv) illness were reported from 14 states (alabama, arizona, california, florida, illinois, kentucky, louisiana, minnesota, mississippi, missouri, new mexico, north dakota, south dakota, and wyoming).200415306758
west nile virus activity--united states, july 28-august 3, 2004.during july 28-august 3, a total of 141 cases of human west nile virus (wnv) illness were reported from 11 states (alabama, arizona, california, colorado, florida, illinois, nevada, new york, north dakota, south dakota, and texas). during 2004, a total of 20 states have reported a total of 406 cases of human wnv illness to cdc through arbonet. of these, 247 (61%) were reported from arizona. a total of 226 (57%) of the 406 cases occurred in males; the median age of patients was 51 years (range: 1 ...200415295314
west nile virus activity united states, july 7-13, 2004.during the week of july 7-13, a total of 30 human west nile virus illness cases were reported from four states (arizona, california, colorado, and iowa). during 2004, a total of 10 states have reported a total of 108 cases of human west nile virus (wnv) illness to cdc through arbonet. of these, 66 (61%) were reported from arizona. sixty-one (58%) of the 108 cases occurred in males; median age of patients was 52 years (range: 1-84 years); dates of illness onset ranged from april 23 to july 5; and ...200415254454
surveillance for acute insecticide-related illness associated with mosquito-control efforts--nine states, 1999-2002.ground and aerial applications of insecticides are used to control populations of adult mosquitoes, which spread such diseases as west nile virus--related illness, eastern equine encephalitis, and dengue fever. this report summarizes investigations of illnesses associated with exposures to insecticides used during 1999-2002 to control mosquito populations in nine states (arizona, california, florida, louisiana, michigan, new york, oregon, texas, and washington) (estimated 2000 population: 118 mi ...200312855943
coccidioidomycosis in horses: 15 cases (1975-1984).fifteen confirmed cases of equine coccidioidomycosis that originated in california and arizona were studied retrospectively. age, breed, and sex varied among affected horses. the most common historical problems were chronic weight loss (53% of cases) and persistent cough (33% of cases). the most frequent physical examination abnormalities were related to the respiratory tract (60% of cases). in 27% of cases, horses had signs of musculoskeletal pain. horses consistently had hyperproteinemia, hype ...19921399805
physiologic responses of the horse to a hot, arid environment.field investigations were conducted under natural environmental conditions to determine the physiologic responses of rested, hydrated horses (equus caballus) to the very hot, dry weather characteristic of the summer season in southern arizona. the emphasis of the investigation was placed on those thermoregulatory mechanisms which are involved in the maintenance of homoiothermy. rectal temperature of the horses studied remained relatively stable throughout the day, during both cool and hot weathe ...1977883712
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