Japanese encephalitis in Sarawak: Virus isolation and serology in a land Dyak village

Abstract
55 viruses were isolated from approximately 174,300 mosquitoes collected in 2 areas of Sarawak between November 1968 and December 1969: 36 isolates, of which 4 have been provisionally identified as strains of Japanese encephalitis virus, came from C. tritaeniorhynchus and 7 isolates, of which 1 is a strain of Japanese encephalitis, from C. gelidus.