| 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 ... | 1977 | 877211 |
| 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 |