1921
Volume 40, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

Transovarial transmission (TOT) of Toscana (TOS) and Arbia (ARB) viruses in a laboratory colony of is reported. Toscana and ARB viruses were maintained in females, initially infected by intrathoracic inoculation, for 2 and 3 consecutive generations respectively. TOT was demonstrated in F (75%) and F (67%) generation adults for TOS and F (47%), F (37%), and F (34%) generation adults for ARB virus. The progressive decline of virus infection rates in each generation suggests that these agents cannot be maintained indefinitely by TOT.

No infection was observed in F progeny after female parents were fed through membranes with either virus. Transovarially infected females were able to transmit TOS virus by bite to a susceptible vertebrate. Venereal infection of females mated to males transovarially infected with TOS virus was seen.

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/content/journals/10.4269/ajtmh.1989.40.669
1989-06-01
2017-11-19
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