31.   For several weeks, the city has been spraying pesticides to kill mosquitoes.

32.   For much of the summer, Rhode Island has been distributing larvicide to communities to kill mosquitoes before they fly.

33.   Giuliani said spraying efforts will be expanded into areas of Queens and Brooklyn in attempt to kill mosquitoes that might be carrying the virus.

34.   Health authorities have also launched a drive to spray chemicals to kill mosquitoes that carry the Japanese encephalitis virus.

35.   Health Minister Rogelio Pardo said Friday that authorities have begun fumigating to kill mosquitoes which spread the disease.

36.   Health authorities have also launched a drive to spray chemicals to kill mosquitoes that carry the disease from pigs to humans.

37.   Health authorities traditionally fumigate suspected breeding grounds with chemicals that can kill mosquitoes.

38.   Health officials in the District of Columbia plan to increase efforts to kill mosquitoes.

39.   Health authorities currently fumigated suspected breeding grounds with chemicals that can kill mosquitoes.

40.   In neighboring Hong Kong, food and hygiene officials have stepped up control measures against dengue fever, including cleaning operations to kill mosquitos.