Volume 16, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Tlacotalpan virus, a new Bunyamwera-group virus, was recovered from , and closely related, probably identical viruses were isolated from spp., and mosquitoes collected during July and August 1961 and 1963 at Tlacotalpan, Veracruz, on the tropical southeastern coast of Mexico. This virus killed suckling and weanling mice, and produced plaques in primary chicken or duck embryonic-cell cultures and CPE in HeLa and L but not primary hamster-kidney-cell cultures. Neutralization tests of plasmas or sera revealed antibodies in persons at Tlacotalpan, in cattle and pigs at several locations along the tropical southeastern coast in Veracruz and Tabasco, and in one cow from the tropical western central coast in Nayarit. Thus Tlacotalpan virus infected man and domestic animals, but its disease-producing potentialities remain to be assessed.


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