West Nile Virus Update - January 1, 2001 - December 31, 2001
May 31, 2002 -- Since the last update, Wadsworth Laboratory announced positive results for 16 mosquito pools found in September - October 2001 (Suffolk 16).
Note of clarification: Encephalitis or severe neurologic symptoms may not be present in all lab-positive human, bird, and mammal specimens. A number of birds and mammals with no clinical signs of West Nile infection are tested as asymptomatic surveillance specimens.
Total number of West Nile virus positive specimens for New York for the year: 732 dead birds, 71 live birds, 316 mosquito pools, 22 horses, and 15 humans (2 deaths).
County total West Nile virus positive results for 2001 are:
|Dead birds - 732|
|NYC||172||(Bronx 25, Brooklyn 51, Manhattan 13, Queens 31, Staten Island 52)|
|Mosquito pools - 316|
|NYC||207||(Bronx 15, Brooklyn 23, Manhattan 15, Queens 46, Staten Island 108)|
|Live birds - 71|
|NYC||71||(Brooklyn 8, Queens 18, Staten Island 45)|
|Mammal cases - 22|
|Human cases - 15* (2 deaths)|
|NYC||9||(Brooklyn 2, Manhattan 3, Queens 2, Staten Island 2)|
*One case occurred in a non-NYS Department of Health laboratory worker. To protect confidentiality, county of residence is being withheld.