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THREE MODES OF TRANSMISSION OF ROSS RIVER VIRUS BY AEDES VIGILAX (SKUSE)
Author(s) -
Kay BH
Publication year - 1982
Publication title -
australian journal of experimental biology and medical science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.999
H-Index - 104
eISSN - 1440-1711
pISSN - 0004-945X
DOI - 10.1038/icb.1982.37
Subject(s) - biology , transovarial transmission , virus , virology , aedes , transmission (telecommunications) , population , larva , zoology , ecology , dengue fever , engineering , demography , sociology , electrical engineering
Summary Some 15% of the saltmarsh mosquito, Aedes (Ochlerotatus) vigilax (Skuse) mechanically transmitted the T48 strain of Ross River virus from viraemic donors to uninfected recipient suckling mice. The population tested from near Brisbane was moderately susceptible to infection (ID 50 =10 4·5±0·1 suckling mouse LD 50 /mosquito) when fed virus diluted in blood on a cotton pledget. Rapid proliferation of the virus in the mosquito allowed transmission from 4 days after ingestion with maximum transmission of 50–57% occurring from 10 days. From assay of Ae vigilax ovaries and of progeny reared from parentally‐infected females, preliminary data suggest transovarial transmission as a potential survival method for this virus.