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Ovitrap index drops to 0.3%

January 21, 2013
The monthly average ovitrap index for December dropped to 0.3% from 0.8% in November, the Food & Environmental Hygiene Department announced today.
The ovitrap indices reflect the prevalence of Aedes albopictus, a mosquito vector for Dengue fever transmission.
Among the 44 areas surveyed last month, positive ovitrap indices were recorded in seven areas, ranging from 1.7% to 5.6%, with the highest in Tung Chung.
The area Lek Yuen in the New Territories has been renamed as Yuen Chau Kok to indicate more precisely the locations under surveillance. The size of the surveillance area remains unchanged.
As for the port areas, the monthly ovitrap index rose to 0.1%, from zero in November.
Although the latest index level is low, the department advised people to take anti-mosquito measures to minimise the risk of mosquito-transmitted diseases during the year-end clean-up before the Lunar New Year.
The ovitrap indices and information on anti-mosquito measures under the Anti-mosquito Weekly Inspection Programme are available on the department's website.

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