Vector competence of Aedes notoscriptus (Diptera: Culicidae) for Ross River virus in Queensland, Australia

Vector competence of Aedes notoscriptus (Diptera: Culicidae) for Ross River virus in Queensland, Australia

Aedes notoscriptus (Skuse) mosquitoes colonized from Brisbane, Queensland, Australia, were fed on blood containing Ross River (RR) virus isolated from Brisbane, Queensland, Australia. This colony was highly susceptible to infection, ID50 = 10(3.2) CCID50 per mosquito, with titers in infected mosquit...

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Veröffentlicht in:Journal of medical entomology 1998-03, Vol.35 (2), p.104-106
Hauptverfasser: Watson, T.M. (Queensland Institute of Medical Research, Brisbane, Queensland, Australia.), Kay, B.H
Format: Artikel
Sprache:eng
Schlagworte:
AEDES
Aedes - virology
ALPHAVIRUS
Alphavirus Infections - transmission
Animals
Biological and medical sciences
DISEASE TRANSMISSION
DISEASE VECTORS
EXPERIMENTAL INFECTION
Fundamental and applied biological sciences. Psychology
Humans
Insect Vectors
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
QUEENSLAND
Ross River virus - isolation & purification
Ross River virus - physiology
VECTORS
Vectors. Intermediate hosts
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Zusammenfassung:Aedes notoscriptus (Skuse) mosquitoes colonized from Brisbane, Queensland, Australia, were fed on blood containing Ross River (RR) virus isolated from Brisbane, Queensland, Australia. This colony was highly susceptible to infection, ID50 = 10(3.2) CCID50 per mosquito, with titers in infected mosquitoes peaking 9 d after infection. Transmission occurred between days 9 and 14, with a maximum rate of 13% between days 12 and 14 after infection. Considering the peridomestic abundance and human blood feeding habit of Ae. notoscriptus, positive transmission of RR virus indicates the need to consider this species more seriously in the context of urban RR transmission
ISSN:0022-2585
1938-2928
DOI:10.1093/jmedent/35.2.104