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epidemiology of equine protozoal myeloencephalitis in north america based on histologically confirmed cases. a report.following a workshop on equine protozoal myeloencephalitis (epm) convened at the veterinary medical forum of the american college of veterinary internal medicine in 1988, this survey of epm in north america was developed. it is based upon 364 histologically confirmed case records from california, florida, illinois, kentucky, new york, ohio, oklahoma, ontario, pennsylvania, and texas up to 1988. the highest rate of infection was found in young thoroughbred, standardbred, and quarter horses. diffe ...19902342022
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
special report. some new approaches to hospital parking security--part ii.in part i, in the october 1995 issue, we reported on some new developments that were already in use or had promising applications for hospital parking security. these included radio frequency access control systems and mounted horse patrols. in this part, we'll give you details on the use of bicycle patrols. we'll review some federal recommendations for parking security for buildings of all sizes that followed the oklahoma city bombing. and we'll give details on how a leading parking management ...199510153464
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 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 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 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
a review of horse-related injuries in a rural colorado hospital: implications for outreach education.the literature contains many studies on the types of injuries sustained in horseback riding incidents. most advocate the use of equestrian helmets to prevent head trauma. however, information is limited on other specific prevention strategies.200516198726
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
phylogenetic analysis of buggy creek virus: evidence for multiple clades in the western great plains, united states of america.we present the first detailed phylogenetic analysis of buggy creek virus (bcrv), a poorly known alphavirus with transmission cycles involving a cimicid swallow bug (oeciacus vicarius) vector and cliff swallows (petrochelidon pyrrhonota) and house sparrows (passer domesticus) as the principal avian hosts. nucleotide sequences of a 2,075-bp viral envelope glycoprotein-coding region, covering the entire pe2 gene, were determined for 33 bcrv isolates taken from swallow bugs at cliff swallow colonies ...200616936062
phylogeographical structure and evolutionary history of two buggy creek virus lineages in the western great plains of north america.buggy creek virus (bcrv) is an unusual arbovirus within the western equine encephalitis complex of alphaviruses. associated with cimicid swallow bugs (oeciacus vicarius) as its vector and the cliff swallow (petrochelidon pyrrhonota) and house sparrow (passer domesticus) as its amplifying hosts, this virus is found primarily in the western great plains of north america at spatially discrete swallow nesting colonies. for 342 isolates collected in oklahoma, nebraska, colorado and north dakota, from ...200818753221
clinical field efficacy and safety of pyrantel pamoate paste (19.13% w/w pyrantel base) against anoplocephala spp. in naturally infected horses.clinical field trials were conducted at five geographical locations in the usa (oklahoma, wisconsin, tennessee, virginia and idaho) to evaluate the efficacy and safety of pyrantel pamoate paste (19.13%, w/w, pyrantel base) administered at the recommended dosage of 13.2 mg pyrantel base/kg (6.0 mg pyrantel base/lb) body weight (b.w.) against tapeworm infections of anoplocephala spp. in naturally infected horses. horses at each study site were allocated by restricted randomization based on the ces ...200616434142
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
seroprevalence of antibodies to sarcocystis neurona in equids residing in oklahoma.a sampling of equids from the state of oklahoma produced an estimate of seroprevalence of antibody to sarcocystis neurona to be about 89.2%. this figure represents the highest currently reported regional seroprevalence of antibody to this organism. regional differences in seroprevalence were found in the western quadrants of the state relative to the eastern quadrants of the state, with a significantly higher seroprevalence in the eastern regions. thoroughbreds were found to exhibit a statistica ...200314667028
weather factors in the prediction of western equine encephalitis epidemics in manitoba.cases of western equine encephalitis in horses in 1987 in western usa and manitoba, canada were examined by backward trajectory analysis of winds. culex tarsalis mosquitoes infected with western equine encephalitis virus could have been carried on southerly winds from texas and oklahoma to northern usa and from there to manitoba. the presence of the polar front over north dakota and minnesota at the end of july would have led to the landing of cx. tarsalis in montana and wisconsin and prevented ...19938405163
relationship of cliff swallows, ectoparasites, and an alphavirus in west-central oklahoma.approximately 250 isolates of a newly recognized virus, related to western equine encephalitis virus (family togaviridae, genus alphavirus), were obtained from cimicid bugs, oeciacus vicarius; cliff swallows, hirundo pyrrhonata; and house sparrows, passer domesticus in a study area in west-central oklahoma at buggy creek and caddo canyons. antigenicity of the virus strains varied slightly from isolate to isolate. this paper summarizes the ecology of the area by describing in general the flora an ...19938381870
western equine encephalitis virus in emus in oklahoma. 19947858032
population estimation of the horse fly, tabanus abactor (diptera: tabanidae), in northcentral oklahoma.a mark-recapture technique was used to estimate daily populations of host-seeking tabanus abactor philip. daily population estimates were calculated for 31 and 37 d for areas of 2.1 km2 and 4.6 km2 for 1982 and 1983, respectively. in 1982, population estimates ranged from 22,767 to 2,125,322 flies/2.1 km2 per d with a mean of 467,277 flies/d. in 1983, population estimates ranged from 48,962 to 2,794,389 flies/4.6 km2 per d with a mean of 759,616 flies/d. the estimated average number of host-seek ...19892724314
rabies surveillance in the united states during 1989.in 1989, 4,808 cases of rabies in animals other than human beings were reported to the centers for disease control, 1.8% more (4,724 to 4,808) than in 1988. eighty-eight percent (4,224/4,808) of those affected were wild animals and 12% (584/4,808) were domestic animals. cases were reported from 49 states, the district of columbia, and puerto rico; hawaii remained rabies-free. skunks (1,657) continued to be the most commonly reported rabid wild animal. for the second consecutive year, more cats ( ...19902276949
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
molecular epidemiology and genetic characterization of equine arteritis virus isolates associated with the 2006-2007 multi-state disease occurrence in the usa.in 2006-2007, equine viral arteritis (eva) was confirmed for the first time in quarter horses in multiple states in the usa. the entire genome of an equine arteritis virus (eav) isolate from the index premises in new mexico was 12 731 nt in length and possessed a previously unrecorded unique 15 nt insertion in the nsp2-coding region in orf1a and a 12 nt insertion in orf3. sequence analysis of additional isolates made during this disease occurrence revealed that all isolates from new mexico, utah ...201020444993
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