期刊
JOURNAL OF MEDICAL ENTOMOLOGY
卷 47, 期 5, 页码 788-790出版社
OXFORD UNIV PRESS INC
DOI: 10.1603/ME08292
关键词
West Nile virus; Culex; infection; transmission
资金
- Nature Science Foundation of China [30371256]
- Ministry of Science and Technology of the People's Republic of China [2003BA712A09-02]
To assess the risk that indigenous mosquitoes in China are capable of transmitting and sustaining West Nile virus (WNV), four important Culex mosquito species, Culex tritaeniorhynchus, Culex modestus, Culex pip lens pallens, and Cules pipiens quinquefasciatus, were allowed to feed on the artificial infectious blood meal with WNV dose of 10(6.8) plaque-forming unit/ml and tested approximate to 2 wk later to determine infection and transmission rates. The results indicated that four Culex mosquitoes were competent laboratory vectors of WNV. The infection rates and transmission rates were statistical differences among different species of mosquito (chi(2) = 20.620, P = 0.000; chi(2) = 15.020, P = 0.005, respectively). The highest infection rate and transmission rate were obtained with Cx. tritaemorhynchus (87.5 and 74.2%, respectively).
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