Japanese encephalitis resources like CDC’s Yellow Book, vaccine guidelines, and travel information.

Nov 19, 2025 · Japanese encephalitis virus infection can result in febrile illness or neurologic disease, including meningitis or encephalitis. If you think you or a family member might have Japanese …

May 15, 2024 · Japanese encephalitis virus is transmitted to humans through the bites of infected Culex species mosquitoes, particularly Culex tritaeniorhynchus. Japanese encephalitis virus is the leading …

4 days ago · Learn how to diagnose, treat, and prevent Japanese encephalitis in international travelers.

May 15, 2024 · Japanese encephalitis is caused by a virus primarily spread to people through the bite of an infected mosquito. Japanese encephalitis virus is maintained in the environment between …

May 15, 2024 · No medicines are available to treat Japanese encephalitis. Consider a vaccine for U.S. travelers.

Feb 4, 2026 · Map of countries in Asia and the western Pacific in which Japanese encephalitis virus has been identified.

May 15, 2024 · Japanese encephalitis vaccine is approved for use in children aged 2 months and older and adults. The vaccine should be considered for some travelers at higher risk of Japanese …

Nov 19, 2025 · Key points Japanese encephalitis (JE) is a mosquito-borne illness endemic to Asia and parts of the Western Pacific Region. Case fatality of JE is 20–30% and up to half of survivors have …

May 15, 2024 · Healthcare providers may use CDC's decisions tree to help determine when Japanese encephalitis vaccination for travelers is appropriate. Available infographic with a decision tree for …