JMM Profile: Tick-borne encephalitis virus

Abstract

species tick vectors, and is increasing in incidence and expanding its geographical range throughout Eurasia and the Far East. Most infections are asymptomatic. However, between 2 and 30 % of cases may develop into severe neurological disease, long-term neurological sequelae or death. Diagnosis is based upon clinical signs of neurological disease and demonstration of virus-specific IgM and IgG antibodies. There is no specific antiviral treatment and supportive care is required for the various manifestations of disease. Vaccination is an effective way of preventing disease.

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