serological evidence of california group and cache valley virus infection in minnesota white-tailed deer. | blood samples were obtained from 138 white-tailed deer (odocoileus virginianus) harvested at three sites surrounding the greater minneapolis-st. paul, minnesota, metropolitan area (usa) and tested for neutralizing antibody to cache valley virus and three california serogroup (jamestown canyon, la crosse, trivittatus) viruses (bunyaviridae). deer at each site had neutralizing antibody to one or more california serogroup viruses and/or cache valley virus. the majority of adult deer (85%) had antib ... | 1991 | 1906113 |
isolation of jamestown canyon virus from boreal aedes mosquitoes from the sierra nevada of california. | more than 28,000 mosquitoes in four genera were collected from high elevation (greater than or equal to 1,000 m) areas of california during 1988-89 and tested for virus by plaque assay in vero cells. viruses were serogrouped by enzyme immunoassay and serotyped by cross-neutralization. six strains of jamestown canyon virus in the california serogroup were isolated from three species of boreal aedes in the aedes communis group of the subgenus ochlerotatus. all isolates were from mosquitoes collect ... | 1991 | 2035746 |
isolation of jamestown canyon virus (california serogroup) from aedes mosquitoes in an enzootic focus in michigan. | twenty isolates of jamestown canyon virus were obtained from adult females of 5 aedes species collected at the houghton lake wildlife research area, missaukee county, in north-central michigan between 1985 and 1989. fourteen were from aedes provocans, and 6 were from 4 other snowmelt aedes species. one isolate of trivittatus virus and one cache valley-like virus were also obtained. seasonal succession patterns for numerous mosquito species were recorded over 4 years. the temporal association of ... | 1990 | 2230774 |
prevalence of neutralizing antibodies against california and bunyamwera serogroup viruses in deer from mountainous areas of california. | plaque reduction-serum dilution neutralization was used to evaluate the status of bunyavirus activity in deer in mountainous areas of california. antibodies against 9 bunyaviruses were measured in 337 mule deer (odocoileus hemionus hemionus, o. hemionus californicus, and o. hemionus inyoensis) and black-tailed deer (o. hemionus columbianus). more deer from high mountainous areas had neutralizing antibodies against jamestown canyon virus than did deer from low mountainous areas (23% vs. 9%; p les ... | 1989 | 2496610 |
studies on the seasonality of culiseta inornata in kern county, california. | the seasonal abundance of adult culiseta inornata was markedly bimodal in the san joaquin valley of kern county, california, with minima observed during both summer and midwinter. larvae were abundant in most surface water habitats during winter, but could not be found during summer. the occasional collection of females during summer indicated the persistence of an adult population. the midwinter decrease in adult abundance was attributed to the progressive mortality of the autumnal cohort and d ... | 1989 | 2568394 |
virus-vector-host relationships of aedes stimulans and jamestown canyon virus in a northern indiana enzootic focus. | collections of hematophagous diptera at the kingsbury state fish and wildlife area in northern indiana between 1982 and 1984 yielded 118,972 mosquitoes from which 5 isolates of jamestown canyon virus and 3 isolates of trivittatus virus were obtained. all jamestown canyon isolates were from aedes stimulans, including 1 from a pool of newly emerged males and 2 from pools of newly emerged females. these 3 isolates suggest that jamestown canyon virus is transovarially transmitted by ae. stimulans. a ... | 1986 | 2878626 |
infection of white-tailed deer (odocoileus virginianus) in michigan with jamestown canyon virus (california serogroup) and the importance of maternal antibody in viral maintenance. | sera collected from a captive population of white-tailed deer (odocoileus virginianus) penned in the lower peninsula of michigan were assayed over a 29-mo period for neutralizing antibody to california serogroup viruses. in all, 130 individual white-tailed deer were bled one to 22 times between june 1983 and november 1985. of the 130 sampled after active transmission had ceased, or passage of maternal antibody in colostrum had occurred, only one (0.8%), a newborn fawn, had no serum neutralizing ... | 1987 | 3102763 |
prevalence of neutralizing antibody to jamestown canyon virus (california group) in populations of elk and moose in northern michigan and ontario, canada. | blood samples were collected from free-ranging elk (cervus elaphus) harvested in michigan's northern lower peninsula, from moose (alces alces) relocated from ontario's algonquin provincial park to michigan's upper peninsula, and from moose from michigan's isle royale national park. sera were tested by serum dilution neutralization tests in vero cell culture for neutralizing antibody to california serogroup viruses, in particular jamestown canyon (jc), la crosse/snowshoe hare (lac/ssh), and trivi ... | 1986 | 3503129 |
seroconversion rates to jamestown canyon virus among six populations of white-tailed deer (odocoileus virginianus) in indiana. | the annual seroconversion of fawns, yearlings, and adult white-tailed deer (odocoileus virginianus) to jamestown canyon virus (california group) was followed at six indiana sites from 1981 through 1984. in all, sera from 1,642 deer (515 fawns, 618 yearlings, and 509 adults) were tested for neutralizing antibody to three california serogroup viruses: jamestown canyon, la crosse, and trivittatus. virtually all deer with specific neutralizing antibody showed evidence of a prior infection with james ... | 1987 | 3820426 |
jamestown canyon virus (california serogroup) is the etiologic agent of widespread infection in michigan humans. | in a sample population of 780 michigan residents tested for neutralizing antibodies to california serogroup viruses, 216 (27.7%) had specific neutralizing antibody to jamestown canyon virus. an additional eight (1.0%) had specific neutralizing to trivittatus virus; none had specific neutralizing antibody to la crosse virus. significantly more male residents than female residents of the lower peninsula had antibody to jamestown canyon virus. the frequency of neutralizing antibody titers fits the ... | 1986 | 3953951 |
isolation of jamestown canyon virus (a california group arbovirus) from a white-tailed deer. | | 1973 | 4706430 |
a case of encephalitis in a human associated with a serologic rise to jamestown canyon virus. | an 8-year-old girl living in rural southwestern michigan experienced sudden onset of symptoms beginning with headache, dizziness and fever which rapidly progressed to central nervous system involvement with seizures and coma. following 27 days of hospitalization her recovery was uneventful, with no apparent sequelae 15 months after discharge. serologic studies of paired sera showed a rise in antibody to jamestown canyon virus, a member of the california serogroup (family bunyaviridae). specific ... | 1982 | 7149109 |
isolations of jamestown canyon virus (bunyaviridae: california serogroup) from mosquitoes (diptera: culicidae) in the western united states, 1990-1992. | nearly 80,000 immature and adult mosquitoes in three genera were collected in high-elevation (> 1,000 m) areas of california (68,229), nevada (3,721), oregon (5,918), and washington (1,629) during 1990-1992 and tested for virus as adult males or females in 1,799 pools. collections comprised primarily alpine aedes in the aedes communis (de geer) group of the subgenus ochlerotatus. thirteen strains of jamestown canyon (jc) virus were recovered by plaque assay in vero cell culture from three member ... | 1993 | 7903698 |
isolation of jamestown canyon and snowshoe hare viruses (california serogroup) from aedes mosquitoes in western massachusetts. | three isolates of jamestown canyon virus and one isolate of snowshoe hare virus (california serogroup) were obtained from adult aedes females collected in western massachusetts in 1982. jamestown canyon virus was isolated from aedes abserratus/punctor once, and from aedes intrudens twice. snowshoe hare virus was isolated from aedes stimulans group mosquitoes. la crosse encephalitis (lac) virus was not isolated from 1,552 adult aedes triseriatus, nor from 22,557 aedes triseriatus larvae. however, ... | 1993 | 8350066 |
vector competence of alpine, central valley, and coastal mosquitoes (diptera: culicidae) from california for jamestown canyon virus. | mosquitoes collected from alpine, central valley, and coastal habitats in california were evaluated for their vector competence for four strains of jamestown canyon (jc) virus. three of the viral strains examined were isolated from alpine aedes species collected in california, and one, the prototype jc virus, was isolated from culiseta inornata (williston) collected in colorado. alpine aedes tahoensis dyar, ae. cataphylla dyar, ae. hexodontus dyar, ae. increpitus dyar, ae. clivis lanzaro and eld ... | 1993 | 8459417 |
ecology of jamestown canyon virus (bunyaviridae: california serogroup) in coastal california. | this paper reports the first isolation of jamestown canyon (jc) virus from coastal california and the results of tests for antibody to jc virus in mammals living in coastal california. the virus isolation was made from a pool of 50 aedes dorsalis females collected as adults from morro bay, san luis obispo county, california. the virus isolate was identified by two-way plaque reduction-serum dilution neutralization tests done in vero cell cultures. sera from the mammals were tested for antibody t ... | 1996 | 8780458 |
serologic evidence of jamestown canyon virus infection in white-tailed deer populations from connecticut. | we determined the prevalence and distribution of jamestown canyon (jc) virus antibody in white-tailed deer (odocoileus virginianus) populations in connecticut, usa. sera were collected from hunter-killed deer during 1993. antibody to jc virus was detected by enzyme-linked immunosorbent assay (elisa) in 92 (21%) of 446 deer sera, and was uniformly distributed among geographic sites. twenty-one elisa-positive sera were tested and confirmed positive by plaque reduction neutralization testing. this ... | 1997 | 9249710 |
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 ( ... | 2000 | 11085448 |
arbovirus surveillance in south carolina, 1996-98. | arboviruses isolated and identified from mosquitoes in south carolina (usa) are described, including new state records for eastern equine encephalitis virus (eee), st. louis encephalitis virus (sle), flanders virus, tensaw virus (ten), and a variant of jamestown canyon virus (jc). mosquitoes were collected at 52 locations in 30 of 46 south carolina counties beginning in june 1996, and ending in october 1998, and tested for arboviruses. of 1,329 mosquito pools tested by virus isolation (85,806 mo ... | 2001 | 11345423 |
temporal abundance, parity, survival rates, and arbovirus isolation of field-collected container-inhabiting mosquitoes in eastern tennessee. | surveillance of container-inhabiting mosquitoes was conducted from june 17 through november 9, 1998, at 2 1997 la crosse virus (lac) human case sites (knox and cocke counties, tennessee). mosquitoes were collected weekly with 2 dry ice-baited centers for disease control miniature light traps, 2 omnidirectional fay traps, and 40 oviposition traps at each site. a total of 8,408 mosquitoes, composed of ochlerotatus triseriatus (n = 2,095) and aedes albopictus (n = 6,313), were reared or collected a ... | 2002 | 12322937 |
isolations of jamestown canyon virus (bunyaviridae: orthobunyavirus) from field-collected mosquitoes (diptera: culicidae) in connecticut, usa: a ten-year analysis, 1997-2006. | jamestown canyon virus (jcv) (bunyaviridae: orthobunyavirus) is a mosquito-borne zoonosis belonging to the california serogroup. it has a wide geographic distribution, occurring throughout much of temperate north america. white-tailed deer, odocoileus virginianus are the principal amplification hosts, and boreal aedes and ochlerotatus mosquitoes are the primary vectors. a 10-year study was undertaken to identify potential mosquito vectors in connecticut, quantify seasonal prevalence rates of inf ... | 2008 | 18386967 |
human jamestown canyon virus infection --- montana, 2009. | jamestown canyon virus (jcv) is a mosquito-borne zoonotic pathogen belonging to the california serogroup of bunyaviruses. although jcv is widely distributed throughout temperate north america, reports of human jcv infection in the united states are rare. this is the first report of human jcv infection detected in montana, one of only 15 cases reported in the united states since 2004, when jcv became reportable. on may 26, 2009, a man aged 51 years with no travel history outside of montana went t ... | 2011 | 21617630 |
jamestown canyon virus disease in the united states-2000-2013. | jamestown canyon virus (jcv) is a mosquito-borne orthobunyavirus in the california serogroup that can cause an acute febrile illness, meningitis, or meningoencephalitis. we describe epidemiologic and clinical features for jcv disease cases occurring in the united states during 2000-2013. a case of jcv disease was defined as an acute illness in a person with laboratory evidence of a recent jcv infection. during 2000-2013, we identified 31 cases of jcv disease in residents of 13 states. the median ... | 2015 | 26033022 |
serological survey for antibodies to mosquito-borne bunyaviruses among us national park service and us forest service employees. | serum samples from 295 employees of great smoky mountains national park (grsm), rocky mountain national park (romo), and grand teton national park with adjacent bridger-teton national forest (grte-btnf) were subjected to serological analysis for mosquito-borne bunyaviruses. the sera were analyzed for neutralizing antibodies against six orthobunyaviruses: la crosse virus (lacv), jamestown canyon virus (jcv), snowshoe hare virus (sshv), california encephalitis virus, and trivittatus virus (tvtv) b ... | 2016 | 26855300 |
west nile virus and other arboviral diseases--united states, 2012. | arthropod-borne viruses (arboviruses) are transmitted to humans primarily through the bites of infected mosquitoes and ticks. west nile virus (wnv) is the leading cause of domestically acquired arboviral disease in the united states. however, several other arboviruses also cause sporadic cases and seasonal outbreaks of neuroinvasive disease (e.g., meningitis, encephalitis, and acute flaccid paralysis). in 2012, cdc received reports of 5,780 nationally notifiable arboviral disease cases (excludin ... | 2013 | 23803959 |