Seroprevalence and risk factors for equine arboviral infections (Eastern Equine Encephalomyelitis, Western Equine Encephalomyelitis, Venezuelan Equine Encephalomyelitis and West Nile Fever) in Costa Rica. (December 2016) - Hutter, S.; Baldi, M.; Firth, C.L.; León, B.; Käsbohrer, A.; Jimenez, C.