Volume 29, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Transovarial transmission of two strains of yellow fever virus was demonstrated in three colonized geographical strains of following infection by intrathoracic inoculation. Infected progeny were detected in F offspring from only the first three ovarian cycles (OVC). The overall minimum filial infection rate for the first three OVC was 1:596; rates were lower in the second and third OVC. Virus survived in eggs for longer than 4 months and was recovered from progeny of three immersions of first OVC eggs. Infected progeny averaged a longer time to pupation than noninfected siblings. Transovarial transmission of virus was also demonstrated in first OVC progeny of .


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