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Shanghai wages campaign to eradicate mosquitoes
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17:19, April 22, 2008

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Shanghai on Monday began a 10-day campaign to kill mosquitoes across the city.

Leng Pei'en, a Shanghai Municipal Center for Disease Control and Prevention (CDC) official, told reporters April was a vital period for mosquito control efforts.

"Experience has shown it will efficiently reduce the number of mosquitoes at the peak of summer by way of controlling the first generation of mosquitoes in early spring. It will in turn curb incidence of diseases spread by mosquitoes so as to create a fair environment for the Olympic Games' soccer matches scheduled to take place in Shanghai," he said.

The snowy weather earlier this year didn't affect the hibernation of mosquitoes in the eastern seaboard city, he added.

The CDC investigation shows that the overall mosquito intensity in the city is about 20 percent higher this year.

The data revealed the mosquito concentration rate in downtown Shanghai had dropped 46.15 percent in March in comparison to the same period last year. In areas beyond the city's outer ring, the rate increased 134.85 percent.

Mosquitoes can cause serious problems in daily life. In addition to interfering with work and leisure time, some are capable of transmitting diseases such as malaria, dengue, encephalitis and the West Nile virus to humans and animals.

Mosquitoes have four separate and distinct stages of life cycle: egg, larva, pupa and adult. Water is a vital condition for their growth and development.

The Shanghai Patriotic and Hygienic Campaign Office has been busy mobilizing and organizing people to eliminate environments favorable to the growth and development of mosquitoes.

Control operations include the placement of plenty of mosquito-luring cages and jars, releasing of fish and the spraying of pesticides in water ponds or landscape fountains.

The public was advised to take initiatives and report any stagnated water found in their communities.


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