1921
Volume 93, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Abstract

During a chikungunya fever outbreak in late 2014 in Chiapas, Mexico, entomovirological surveillance was performed to incriminate the vector(s). In neighborhoods, 75 households with suspected cases were sampled for mosquitoes, of which 80% (60) harbored and 2.7% (2) . A total of 1,170 and three was collected and 81 pools were generated. Although none of the pools were chikungunya virus (CHIKV)–positive, 18 pools (22.8%) contained CHIKV, yielding an infection rate of 32.3/1,000 mosquitoes. A lack of herd immunity in conjunction with high mosquito populations, poor vector control services in this region, and targeted collections in locations of human cases may explain the high infection rate in this vector. Consistent with predictions from experimental studies, appears to be the principal vector of CHIKV in southern Mexico, while the role of remains unknown.

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  • Received : 18 Jun 2015
  • Accepted : 27 Aug 2015

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