West Nile Virus Update - January 1, 2000 - December 31, 2000

The following lists the West Nile virus positive results for 2000. It will be updated only if positive test results or changes in test results for specimens collected in 2000 are reported.

Note of clarification: Encephalitis or severe neurologic symptoms were not present in all of the human, bird, and mammal West Nile virus positive "cases." A number of the birds and mammals had no clinical signs of West Nile infection at all; they were asymptomatic surveillance specimens.

Total number of West Nile virus positive specimens for New York for the year are 1,263 dead birds, 400 mosquito pools, 10 live wild birds, 8 sentinel chickens, 2 bats, 28 horses, 1 domestic rabbit, 1 squirrel, 1 chipmunk, and 14 humans.

County total West Nile virus positive results to date are:

Dead birds - 1,263
Counties:  
  Albany 27  
Allegany 3
Broome 11
Cattaraugus 5
Cayuga 11
Chautauqua 15
Chemung 5
Clinton 13
Columbia 8
Cortland 9
Delaware 4
Dutchess 26
Erie 25
Essex 7
Franklin 3
Fulton 3
Genesee 2
Greene 4
Hamilton 1
Herkimer 3
Jefferson 9
Lewis 4
Livingston 6
Madison 15
Monroe 11
Montgomery 6
Nassau 88
NYC 176 (Staten Island 60, Queens 29, Manhattan 37, Brooklyn 38, Bronx 12)
Niagara 5  
Oneida 16
Onondaga 20
Ontario 3
Orange 36
Orleans 3
Oswego 13
Otsego 1
Putnam 12
Rensselaer 9
Rockland 262
St. Lawrence 5
Saratoga 10
Schenectady 10
Schoharie 5
Schuyler 2
Seneca 1
Steuben 5
Suffolk 210
Sullivan 2
Tioga 3
Tompkins 6
Ulster 14
Warren 8
Washington 10
Wayne 1
Westchester 85 (includes February hawk)
Wyoming 4  
Yates 2
 
Mosquito pools - 400
Counties:  
  Columbia 1  
Nassau 8
NYC 206 (Staten Island 165, Queens 5, Manhattan 17, Bronx 6, Brooklyn 13)
Orange 4  
Rockland 47
Suffolk 121
Westchester 13
 
Sentinel chickens - 8
Counties:  
  NYC 7 (Brooklyn)
Westchester 1  
 
Live wild birds - 10
Counties:  
  NYC 10 (Brooklyn 5, Bronx 1, Queens 3, Staten Island 1)
 
Mammal cases - 33
Counties:  
  Albany 1 bat
  1 domestic rabbit
Columbia 1 bat
Nassau 4 horses
NYC 10 horses (Staten Island 8, Bronx 2)
  1 squirrel (Bronx)
Orange 6 horses
Rensselaer 1 chipmunk
Suffolk 8 horses
 
Human cases - 14
Counties:  
  NYC 14 (Brooklyn 2, Manhattan 1, Queens 1, Staten Island 10)