Encephalitis

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Causes and Risk Factors

Encephalitis is caused by several types of viral infections. Herpesvirus is the most common cause and encephalitis can also result from infection following smallpox vaccination and reactivation of viral infection such as influenza, chickenpox, measles, mumps, and rabies (usually in undeveloped countries).


Arthropod-borne viruses, which are usually transmitted by mosquitoes, cause arboviral encephalitis. People who live in warm, moist climates are at higher risk ...Read the full article