41.   Its appearance in the New York area last year was the first in the Western Hemisphere, prompting a massive campaign of aerial and ground spraying to kill mosquitoes.

42.   Its appearance in the New York area last year prompted a massive campaign of aerial and ground spraying to kill mosquitoes.

43.   Many of those programs include spraying pesticides to kill the mosquitoes at various stages of development.

44.   New York City and New Jersey have been spraying pesticides to kill mosquitoes, and scientists in southern states are testing dead birds there for the virus.

45.   New York City, New Jersey and Connecticut have been spraying pesticides to kill mosquitoes.

46.   Saudi aircraft were due to spray the affected areas in Yemen with insecticides to kill the mosquitoes thought to be spreading the disease, he added.

47.   She urged residents to spray their homes to kill mosquitoes.

48.   Some residents have asked the government to spray insecticide in the area to kill mosquitoes that carry the disease, the report said.

49.   State officials sprayed parts of Baltimore County and Howard County to kill mosquitoes that may be carrying the virus.

50.   Sudharsono said the groups usually asked for money and the quality of the insecticide -- which should kill mosquitoes that spread dengue fever --was not guaranteed.