Ecologic Studies of Venezuelan Encephalitis Virus in Southeastern México

III. Infection of Mosquitoes

W. F. Scherer Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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R. W. Dickerman Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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A. Diaz-Najera Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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B. A. Ward Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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M. H. Miller Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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P. A. Schaffer Department of Microbiology, Cornell University Medical College, Laboratorio de Entomologia, Instituto de Salubridad y Enfermedades Tropicales de la S. S. A., New York, N. Y. 10021, México

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DOI:
https://doi.org/10.4269/ajtmh.1971.20.969
Volume/Issue:
Volume 20: Issue 6
Page(s):
969–979
Restricted access
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Fourteen strains of Venezuelan encephalitis virus were isolated from Culex (Melanoconion) iolambdis, Culex (Culex) coronator, Culex (C.) thriambus, Culex (M.) opisthopus, Deinocerites pseudes, Haemogogus mesodentatus, and Wyeomyia mitchelli at Sontecomapan, Veracruz, during July and August 1963 and 1964, and from Aedes scapularis from Minatitlan, Veracruz, during August 1964. These isolations were from mosquitoes caught in light traps or animal-baited traps where feedback of virus to mosquitoes from viremic animal bait was impossible or unlikely. Eighteen additional strains came from these Culex and Haemogogus species under conditions where virus feedback was possible. Nineteen strains of VE virus were recovered from five other species (five genera) only under circumstances where virus feedback from viremic animal bait was possible. Even the most conservative interpretation of these results indicated that VE virus in Veracruz, México, infected several mosquito species and genera, and thus probably has multiple mosquito vectors in that region.

Author Notes

Copyright:
Copyright © 1971, by The American Society of Tropical Medicine and Hygiene 1971
Accepted:
07 Apr 1971
|
Published Online:
Nov 1971
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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