Outbreaks are often linked to wet seasons or heavy irrigation, which increase mosquito populations. Clinical Manifestations
(also known as "Mal del Oeste" or Encefalitis Equina del Oeste ) is a critical zoonotic viral disease affecting primarily horses and humans, characterized by severe neurological impairment. Etiology and Transmission mal oeste
The disease is caused by the Western Equine Encephalomyelitis Virus (WEEV) , a member of the Alphavirus genus in the Togaviridae family. Outbreaks are often linked to wet seasons or
Vision loss, circling, head pressing, and eventually paralysis or recumbency. Mortality rates in horses can range from 20% to 50% . Diagnosis and Management mal oeste