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International Journal of Mosquito Research
Vol. 1, Issue 1, Part A (2014)

A first note on Japanese encephalitis virus isolation from Culex quinquefasciatus Say in Northern West Bengal

Author(s): V. Thenmozhi, T. Mariappan, R. Krishnamoorthy, G. Baskarn, R. Krishnamoorthi, T. Balaji, B. K. Tyagi
Abstract: Japanese encephalitis (JE) is endemic in many parts of India including the state of West Bengal. In West Bengal, the first major outbreaks of JE occurred in the districts of Bankura and Burdwan in 1973. The Culex vishnui subgroup of mosquitoes has been implicated as major vectors of JE. However in India, JE virus (JEV) has been isolated from 16 species of mosquitoes. During September 2011, JE cases were reported from four districts -Jalpaiguri, Darjeeling, Dinajpur and Cooch Behar of West Bengal (North). Adult mosquitoes were collected, identified, pooled and screened for JEV using antigen capture ELISA. Out of 279 mosquito pools tested, one pool of Cx. pseudovishnui and three pools of Cx. quinquefasciatus were found positive for JEV. The ELISA positive pools were further confirmed as JEV by insect bioassay (Toxo-IFA). Two pools of Cx. quinquefasciatus were confirmed as JEV. This represents the first report of JEV isolation from Cx. quinquefasciatus in West Bengal.
Toxo-IFA showing JE virus positive in <em>Cx. quinquefasciatus</em> collected from West Bengal
Fig.: Toxo-IFA showing JE virus positive in Cx. quinquefasciatus collected from West Bengal
Pages: 01-04  |  774 Views  17 Downloads
How to cite this article:
V. Thenmozhi, T. Mariappan, R. Krishnamoorthy, G. Baskarn, R. Krishnamoorthi, T. Balaji, B. K. Tyagi. A first note on Japanese encephalitis virus isolation from Culex quinquefasciatus Say in Northern West Bengal. International Journal of Mosquito Research. 2014; 1(1): 01-04.
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