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June 11, 2010

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Home » Metro » Health and Science

Idled sites feared to fester mosquitoes

CONSTRUCTION sites where operations have been suspended to cut down on noise and dirt during the World Expo may become a breeding ground for mosquitoes, local health officials warned yesterday.

According to Shanghai Urban Construction and Communications Commission, 27 construction sites inside the Inner Ring road have quit work since the event opened on May 1.

Around a dozen sites outside the ring road also stopped operation, or dropped some aspects of the projects that would create great noise and other pollution.

Experts from the Shanghai Center for Disease Control and Prevention said the density of mosquitoes has been dropping in the recent years and the population decreased markedly in the first four months of this year due to the low temperature.

"However, we saw a quick rise of mosquitoes in May because of the warm and humid weather," said Leng Peien, director of the center's vector control department. "July is the annual mosquito peak in Shanghai. Proper measures conducted in June are crucial to controlling mosquitoes"

A 20-day citywide campaign against mosquitoes and flies started yesterday.

Officials said keeping a clean environment and eliminating standing water, the mosquitoes' breeding ground, are the most useful ways to control mosquitoes.

In addition to usual places like wet markets and residential areas with waterscapes, health officials found that suspended construction sites and tracks of light rails can be ideal breeding beds for mosquitoes.

Officials from the Shanghai Construction Industry Administration Office said yesterday that they have included hygiene of construction sites in the quality and safety administration system. They require site authorities to do two disinfections every month for disease control and prevention.

Health officials said controlling mosquitoes is important to preventing diseases such as dengue fever, malaria and encephalitis B.


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