Japanese encephalitis infections reported in Vietnam

The first 4 young patients this season have been diagnosed with Japanese encephalitis in northern Vietnam. Japanese encephalitis is a common disease in the north for 5-8 months every year, usually beginning in April.

Visit our Health Library for more information on exposure to and the prevention of Japanese encephalitis.

Advice For Travellers

Short-term travellers and those who restrict their visits to urban areas are generally at very low risk. Those at higher risk are travellers who visit or work in rural agricultural areas such as rice fields and marshland. Long-term travellers and expatriates are also at higher risk. All travellers can reduce their risk of exposure to Japanese encephalitis virus by taking all necessary precautions to avoid mosquito bites. Vaccination against Japanese encephalitis is recommended for people who may be at risk.

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