To the Editor: Eastern equine encephalitis virus (EEEV) is an arbovirus (family Togaviridae, genus Alphavirus) transmitted to humans primarily from Aedes, Coquillettidia, and Culex mosquitoes. EEEV is maintained in a transmission cycle between Culiseta melanura mosquitoes and birds in freshwater hardwood swamps (1). Affected humans and horses are considered to be dead-end hosts; that is, they u...