A survey for arboviral antibodies in sera of humans and animals in Lombok, Republic of Indonesia

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Abstract
Sera were collected from humans, cattle, horses, goats, ducks, chickens, wild birds, bats and rats in Lombok, Indonesia, and were tested by haemagglutination inhibition (HI) for antibodies to JE, ZIKA, CHIK and RR. Selected sera were tested by microneutralization tests for antibodies to the following viruses: JE, ZIKA, MVE, TMU, LGT, KUN, SEP, DEN-2, CHIK, RR, GET, SIN, BUN, BAT and BAK. Human sera had JE HI antibody in 135 (30%) of 446 tested. Neutralization tests indicated that DEN-2, ZIKA, TMU, KUN and SEP may have caused flavivirus infections. Antibodies to other arboviruses tested for were not found. HI and neutralization tests on animal sera indicated possible flavivirus infections with JE, MVE, KUN and SEP, and also that infections with BAT and BUN had occurred among domestic animals. No neutralizing antibodies were found for alphaviruses or other viruses used in the tests.

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