Japanese Encephalitis vector abundance and infection frequency in Cuddalore District, Tamil Nadu, India: a five-year longitudinal study

Japanese Encephalitis vector abundance and infection frequency in Cuddalore District, Tamil Nadu, India: a five-year longitudinal study

An entomological monitoring of Japanese encephalitis vectors from the Cuddalore district, Tamil Nadu was undertaken at biweekly intervals for 1 hr after dusk for five years to find out the abundance and JE virus activity longitudinally in three villages. A total of 95,644 vectors belonging to 31 spe...

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Veröffentlicht in:Journal of entomological and acarological research 2016-12, Vol.48 (3), p.366-371
Hauptverfasser: Philip Samuel, P., Ramesh, D., Thenmozhi, V., Nagaraj, J., Muniaraj, M., Arunachalam, N.
Format: Artikel
Sprache:eng
Schlagworte:
Cuddalore
Culex tritaeniorhynchus
Cx. gelidus and Cx. vishnui
infection rate
Japanese encephalitis
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Zusammenfassung:An entomological monitoring of Japanese encephalitis vectors from the Cuddalore district, Tamil Nadu was undertaken at biweekly intervals for 1 hr after dusk for five years to find out the abundance and JE virus activity longitudinally in three villages. A total of 95,644 vectors belonging to 31 species constituted predominantly by Culex vishnui subgroup and Culex gelidus 98.5%. JE virus was identified from Cx. tritaeniorhynchus (18), Cx. vishnui (1) and Cx. gelidus (6) giving infection rate of 0.482, 0.608 and 0.221 respectively. Abundance of Cx. tritaeniorhynchus and Cx. gelidus differed significantly by area, season and year (P
ISSN:2038-324X
2279-7084
DOI:10.4081/jear.2016.5630