Japanese encephalitis in Vietnam during 1991-2001

ABSTRACT

The Japanese encephalitis Circulated in Vietnam, especially in the delta provinces of Northern Vietnam. The yearly morbidity rate was 3-5 /100.000 rehabitants. The disease occurred mainly in ages of 1-15, highest in ages of 5-9 and followed by ages of 1-4 and in the summer (May, June, July). Vietnam manufactured the vaccine of encephalitis. It should strengthen the health communication and education and expanded immunization for susceptible ages