| a review of the evidence in retrospect for a rickettsial etiology in bullis fever. | the authors have presented evidence through work done 25-30 years ago for the rickettsial etiology of bullis fever, a forgotten epidemic which occurred with over a 1,000 cases among world war ii troops in training at camp bullis, texas. rickettsiae were recovered from blood and lymph nodes of patients and from ticks, amblyomma americanum, collected in the area. all patients gave a history of tick-bites. the human and tick strains of rickettsiae, carried in chick embryo culture and in animal pass ... | 1975 | 1103350 |
| west nile virus infection and serologic response among persons previously vaccinated against yellow fever and japanese encephalitis viruses. | it is hypothesized that previous heterologous flaviviral exposure may modulate clinical illness among persons infected with west nile virus (wnv). little is known about the serological response in such persons. in summer 2003, a wnv outbreak occurred in colorado, the location of the centers for disease control and prevention, division of vector-borne infectious diseases (dvbid). dvbid employees, most previously vaccinated with yellow fever virus (yfv) or japanese encephalitis virus (jev) vaccine ... | 2005 | 16011430 |
| 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 ... | 2011 | 21814163 |
| distribution and phylogenetic comparisons of a novel mosquito flavivirus sequence present in culex tarsalis mosquitoes from western canada with viruses isolated in california and colorado. | in a previous study, a new flavivirus genome sequence was identified in culex tarsalis mosquitoes obtained in alberta, canada and was shown to be genetically related to but distinct from members of the insect-specific flaviviruses. nonstructural protein 5-encoding sequences amplified from cx. tarsalis pools from western canada have shown a high similarity to genome sequences of novel flaviviruses isolated from mosquitoes in california and colorado. despite wide distribution of this virus, design ... | 2011 | 21734143 |
| binational dengue outbreak along the united states-mexico border - yuma county, arizona, and sonora, mexico, 2014. | dengue is an acute febrile illness caused by any of four dengue virus types (denv-1-4). denvs are transmitted by mosquitos of the genus aedes (1) and are endemic throughout the tropics (2). in 2010, an estimated 390 million denv infections occurred worldwide (2). during 2007-2013, a total of three to 10 dengue cases were reported annually in arizona and all were travel-associated. during september-december 2014, coincident with a dengue outbreak in sonora, mexico, 93 travel-associated dengue cas ... | 2016 | 27196619 |