A Longitudinal Study of the Prevalence of Japanese Encephalitis Virus in Adult and Larval Culex Tritaeniorhynchus Mosquitoes in Northern Taiwan

Leon Rosen Pacific Biomedical Research Center, University of Hawaii, Honolulu, Hawaii; and Taiwan Provincial Institute of Infectious Diseases, Taipei, Taiwan

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Jih-Ching Lien Pacific Biomedical Research Center, University of Hawaii, Honolulu, Hawaii; and Taiwan Provincial Institute of Infectious Diseases, Taipei, Taiwan

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Liang-Chen Lu Pacific Biomedical Research Center, University of Hawaii, Honolulu, Hawaii; and Taiwan Provincial Institute of Infectious Diseases, Taipei, Taiwan

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DOI:
https://doi.org/10.4269/ajtmh.1989.40.557
Volume/Issue:
Volume 40: Issue 5
Page(s):
557–560
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Adult females and larvae of Culex tritaeniorhynchus were collected year-round for 3 ½ years at a site near Taipei, Taiwan. One hundred sixty-four isolates of Japanese encephalitis (JE) virus were obtained from ∼142,000 adult females and 1 isolate of the virus was obtained from ∼382,000 larvae. Virus was recovered from adult females every year, except the first, beginning in May. The single larval isolate was from specimens collected in June. The vertical transmission of JE virus in Cx. tritaeniorhynchus as a possible inter-epidemic viral survival mechanism is examined.

Author Notes

Copyright:
Copyright © 1989 by The American Society of Tropical Medicine and Hygiene 1989
Published Online:
May 1989
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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