Volume 11, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Transmission of yellow fever virus to rhesus monkeys by and infection of aged in Nigerian studies are reported. In closely duplicated tests, infected insects lived as long as normal ones (182 days). Two feedings on immune blood did not “sterilize” infected mosquitoes. Virus was demonstrated in all 3 major body regions as well as in the proboscides in older insects, but not in the heads at only 3 days' incubation. In 2 non-vector species, neither of which caused infection by bites, virus was found only in the abdomens of after 51 days, but in all 3 regions of after 39 days.


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