Nov 19, 2025 · Eastern equine encephalitis virus infection can result in febrile illness (fever) or neurologic disease. The type of illness will depend on the age of the person and other factors. …

May 15, 2024 · Overview Eastern equine encephalitis virus is spread to people by the bite of an infected mosquito. Only a few cases are reported in the United States each year. Most cases occur in eastern …

Jun 3, 2025 · Eastern equine encephalitis virus is transmitted to humans through the bite of an infected mosquito. Human eastern equine encephalitis cases occur relatively infrequently, largely because …

May 15, 2024 · Eastern equine encephalitis is caused by a virus usually spread to people through the bite of an infected mosquito. Eastern equine encephalitis virus circulates in the environment between …

May 31, 2024 · Eastern equine encephalitis guidelines include information on surveillance, control, and diagnosis.

May 15, 2024 · Most persons infected with eastern equine encephalitis virus have no apparent illness. Symptomatic persons typically develop a systemic febrile illness that can progress in <5% of …

May 15, 2024 · There are no human vaccines or medicines to prevent eastern equine encephalitis. The best way to prevent eastern equine encephalitis is to protect yourself from mosquito bites.

Nov 19, 2025 · Serologic testing is the primary method for diagnosing eastern equine encephalitis. A positive eastern equine encephalitis virus-specific immunoglobulin (Ig) M test result should be …

May 15, 2024 · Key points Eastern equine encephalitis is caused by a virus in the genus Alphavirus. The virus is maintained in the environment by Culiseta melanura mosquitoes and avian hosts. Humans …

Jan 13, 2026 · Eastern equine encephalitis case data for the U.S. are regularly updated in the summer and fall.