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West Nile virus

After an outbreak of the mosquito-borne West Nile virus kills at least 17 people, the mayor of Dallas Mike Rawlings declares a state of emergency in the city. This paves the way for aerial spraying of synthetic pyrethroid insecticides from tonight on. Many residents express their concerns over safety and effectiveness; they suggest other preventive methods of mosquito control. Officials said the measures could cost as much as $1.2 million.

Sources:  Al Jazeera  Dallas News  Los Angeles Times


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