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New York City Seal
Press Release
NYC Department of Health & Mental Hygiene
Office of Public Affairs
CONTACT: Sandra Mullin/Andrew Tucker
Tuesday, July 23, 2002
(212) 788-5290
(877) 640-1347


West Nile Virus Has Now Been Detected in all Five Boroughs of New York City

Reminder: Ground Spraying of Pesticide in Staten Island and Brooklyn Scheduled for Tomorrow,
Wednesday, July 24, 9pm – 2am, Weather Permitting

The New York City Department of Health and Mental Hygiene (DOHMH) today announced that one mosquito pool collected in the College Point area in Queens, and two mosquito pools in Manhattan – one in Central Park South and one in Hamilton Heights - have tested positive for West Nile virus (WNV). These are the first mosquito pools to test positive for WNV from Queens and Manhattan in 2002.

DOHMH has now found positive mosquito pools in all five boroughs, and advises all New Yorkers, especially those over 50 years of age, to take personal precautions against mosquitoes. Additionally, New Yorkers should continue to report dead birds to DOHMH, and eliminate areas of standing water around their homes.

As previously announced, DOHMH will be conducting targeted ground-based spraying of the pesticide (pyrethroid) Anvil in selected areas of Staten Island and Brooklyn overnight tomorrow, Wednesday, July 24 between the hours of 9:00 P.M. and 2:00 A.M., weather permitting. No other adult mosquito control activities are currently scheduled.

So far this year, 21 mosquito pools have tested positive for WNV: one from Queens, two from Manhattan, two from the Bronx (one from the Edenwald area was reported today), two from Brooklyn, and 14 from Staten Island. Approximately 3,500 mosquito pools have been tested for WNV this year. Additionally, more than 230 dead birds have been tested for WNV; one has tested positive for WNV. To date there have been no reported human cases of WNV in New York City.

For more information on personal precautions against WNV, how to mosquito-proof your home, and spray schedules, visit or call the City's toll free West Nile Virus Information Line at 1-877-WNV-4NYC (1-877-968-4692).