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Ovitrap index falls

November 18, 2014

The monthly ovitrap index for October dropped to 2.2% from 3.9% in September.

 

The Food & Environmental Hygiene Department said that among the 44 areas surveyed last month, positive ovitrap indices were recorded in 27 of them, ranging from 1.7% to 11.8%, with the highest level in Diamond Hill.

 

For port areas the monthly ovitrap index for October fell to 0.1% from 0.3% in September.

 

The ovitrap indices reflect the prevalence of Aedes albopictus, a mosquito vector for Dengue fever transmission.

 

Click here for mosquito prevention advice. 



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