| postepizootic persistence of venezuelan equine encephalitis virus, venezuela. | five years after the apparent end of the major 1995 venezuelan equine encephalitis (vee) epizootic/epidemic, focal outbreaks of equine encephalitis occurred in carabobo and barinas states of western venezuela. virus isolates from horses in each location were nearly identical in sequence to 1995 isolates, which suggests natural persistence of subtype ic vee virus (veev) strains in a genetically stable mode. serologic evidence indicated that additional outbreaks occurred in barinas state in 2003. ... | 2005 | 16485478 |