Volume 29, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Attempts were made to isolate virus from wild caught mosquitoes during the 1977 and 1978 Rift Valley fever (RVF) epizootics in Egypt. Over 95% of the 55,126 mosquitoes collected from epizootic areas in the Nile Delta and Valley were . Two strains of RVF virus were isolated from unengorged female taken in 1978. Laboratory-reared originating from a population sample from the Nile Delta epizootic area transmitted RVF virus. The infection rate of mosquitoes that fed on viremic hamsters was 86.7%; the transmission rate was 40.0% (46.2% based only on infected mosquitoes). From these results, it is suggested that was a vector of RVF virus during the 1977–1978 epizootics in Egypt.


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