11.   Experts predict infected mosquitoes will already have scattered, making them more difficult to kill.

12.   Humans can contract the disease only through the bite of an infected mosquito.

13.   In most people bitten by infected mosquitoes, it causes no symptoms.

14.   Infected female mosquitoes can transmit St. Louis encephalitis virus, a potential cause of inflammation of the brain and spinal cord.

15.   Infected mosquitoes were also found last month in Suffolk County, N.Y., prompting officials to close three parks and begin spraying.

16.   Last week, infected mosquitoes were caught in the nearby communities of Stonington and North Stonington, Conn.

17.   Mattes likely contracted malaria, which still is found in South and Central America, Africa and Asia, through a bite from an infected mosquito.

18.   Most people bitten by an infected Culex mosquito will never experience any symptoms.

19.   Of three pools found to have infected mosquitoes, one was in Central Park, and two were in Staten Island.

20.   Public health experts predict that West Nile will arrive in Georgia in the bloodstream of migrating birds that were bitten somewhere north of here by infected mosquitoes.