Vector competence of Australian mosquitoes for yellow fever virus

van den Hurk, Andrew F., McElroy, Kate, Pyke, Alyssa T., McGee, Charles E., Hall-Mendelin, Sonja, Day, Andrew, Ryan, Peter A., Ritchie, Scott A., Vanlandingham, Dana L., and Higgs, Stephen (2011) Vector competence of Australian mosquitoes for yellow fever virus. American Journal of Tropical Medicine and Hygiene, 85 (3). pp. 446-451.

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Abstract

The vector competence of Australian mosquitoes for yellow fever virus (YFV) was evaluated. Infection and transmission rates in Cairns and Townsville populations of Aedes aegypti and a Brisbane strain of Ae. notoscriptus were not significantly different from a well-characterized YFV-susceptible strain of Ae. aegypti. After exposure to 10 tissue culture infectious dose (TCID50)/mL of an African strain of YFV, > 70% of Ae. aegypti and Ae. notoscriptus became infected, and > 50% transmitted the virus. When exposed to 10 TCID50/mL of a South American strain of YFV, the highest infection (64%) and transmission (56%) rates were observed in Ae. notoscriptus. The infection and transmission rates in the Cairns Ae. aegypti were both 24%, and they were 36% and 28%, respectively, for the Townsville population. Because competent vectors are present, the limited number of travelers from endemic areas and strict vaccination requirements will influence whether YFV transmission occurs in Australia.

Item ID: 21147
Item Type: Article (Research - C1)
ISSN: 1476-1645
Keywords: Aedes aegypti mosquitoes, notoscriptus, diptera, infection, Culicidae, dengue, transmission, strain, Brisbane, Chikungunya, urban,
Funders: Queensland International Fellowship, National Institutes of Health (UC7 AI070083), Centers for Disease Control ((R36) PAR07-23), Australian Biosecurity Cooperative Research Centre for Emerging Infectious Disease
Date Deposited: 27 Mar 2012 01:11
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1108 Medical Microbiology > 110803 Medical Parasitology @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920499 Public Health (excl. Specific Population Health) not elsewhere classified @ 100%
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