What is Japanese Encephalitis?
Japanese encephalitis (JE) virus is the leading cause of vaccine-preventable encephalitis in Asia and the western Pacific. For most travelers to Asia, the risk for JE is very low but varies based on destination, duration of travel, season, and activities. JE virus is maintained in a cycle involving mosquitoes and vertebrate hosts, mainly pigs and wading birds. Humans can be infected when bitten by an infected mosquito. Most human infections are asymptomatic or result in only mild symptoms. However, a small percentage of infected persons develop inflammation of the brain (encephalitis), with symptoms including sudden onset of headache, high fever, disorientation, coma, tremors and convulsions. About 1 in 4 cases are fatal.
The Causes mosquito-borne disease
A mosquito will usually spread the virus to pigs or birds, the virus cannot pass from human-to-human. Human-to-mosquito transmission is rare |
The Symptoms
|
The Third
|
PREVENTION
Who Should Get It?
Travelers to regions with active transmission
Travelers to rural areas where infection could occur
Travelers staying longer than one month
Travelers engaging in certain activities that pose more risk
Travelers to rural areas where infection could occur
Travelers staying longer than one month
Travelers engaging in certain activities that pose more risk