The Isolation of Ilhéus Virus from Wild Caught Forest Mosquitoes in Trinidad

C. R. AndersonThe Trinidad Regional Virus Laboratory, Port-of-Spain, Trinidad, British West Indies

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T. H. G. AitkenThe Trinidad Regional Virus Laboratory, Port-of-Spain, Trinidad, British West Indies

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W. G. DownsThe Trinidad Regional Virus Laboratory, Port-of-Spain, Trinidad, British West Indies

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Summary

Two strains of virus, isolated in 1954 from forest mosquitoes in Trinidad, B.W.I., have been shown by reciprocal cross-neutralization tests to be strains of Ilhéus virus. Both strains produce a hemagglutinating antigen, similar in reactivity to the antigen produced from the known Ilhéus strain. These isolations represent the second and third times the virus has been found in nature.

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