Dengue vector surveillance and control in Hong Kong in 2008 and 2009

  • Cheung K
  • Fok M
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Abstract

Dengue vector surveillance programmes were implemented in the community and port areas in Hong Kong Special Administrative Region. Aedes albopictus was the only Aedes vector detected and its distribution was extensive in various areas during the summer months. Aedes aegypti was, however, not detected in any area under surveillance. For community surveillance, the monthly ovitrap indices (MOI) of 2008 and 2009 followed a similar trend as in previous years but were generally lower. The highest ovitrap index recorded in 2008 and 2009 was 37.5% and 48.3% respectively, which were much lower than the highest recorded of 70.9% in 2007. Only two surveyed areas in 2009 had ovitrap indices greater than 20.0% for more than two consecutive months, which was more often seen in 2007. Improvement in the dengue vector situation in the past two years could be attributed to the swift response of the agencies concerned upon getting information on surveillance results via the geographic information system. The public was also informed of the results regularly through the Internet and press releases to create awareness to prevent and control the dengue vector. Health education programmes targeted at different organizations/parties were arranged to promote knowledge about dengue vector prevention and control.

Author-supplied keywords

  • Aedes albopictus
  • Dengue vector surveillance
  • Hong Kong SAR
  • Ovitrap indices
  • Vector control

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  • SGR: 81855216229
  • ISBN: 1020-895X
  • PUI: 362968160
  • SCOPUS: 2-s2.0-81855216229
  • ISSN: 1020895X

Authors

  • K. Y. Cheung

  • M. Y. Fok

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