Volume 33, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A recently colonized strain of was shown to be equally susceptible to oral infection with La Crosse (LAC) virus as the natural vector, . La Crosse virus was shown to replicate and persist at high titers in orally infected . In addition, orally infected females transmitted virus efficiently to suckling mice by mosquito bite. Transovarial transmission of LAC virus was demonstrated by recovery of virus from larval progeny after parental females were infected either orally or by intrathoracic inoculation. Virus was recovered from larval progeny that developed from eggs produced both autogenously and anautogenously. Transovarial transmission of LAC virus to F adults was also shown, and the filial infection rates were similar to that obtained with a strain of used for comparison.


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