West Nile Virus (WNV) Update: January 1 - December 31, 2012

January 2nd, 2013 -- Since November 13, 2012 there have been no WNV-positive reports.

Total number of WNV-positive specimens for the year:
103 humans (5 deaths), seven horses, 1,005 mosquito pools.
County Human1 Equine Mosquito Other
Albany 1(0) 0 0 0
Allegany 0 0 0 0
Broome 0 0 0 0
Cattaraugus 1(0) 0 0 0
Cayuga 0 0 0 0
Chautauqua 0 0 2 0
Chemung 0 0 0 0
Chenango 0 0 0 0
Clinton 0 0 0 0
Columbia 0 0 0 0
Cortland 0 0 0 0
Delaware 0 0 0 0
Dutchess 3(0) 0 0 0
Erie 12(1) 0 167 0
Essex 0 0 0 0
Franklin 0 0 0 0
Fulton 0 0 0 0
Genesee 0 1 0 0
Greene 1(0) 0 0 0
Hamilton 0 0 0 0
Herkimer 0 0 0 0
Jefferson 0 0 0 0
Lewis 0 0 0 0
Livingston 0 1 0 0
Madison 0 0 0 0
Monroe 2(0) 0 0 0
Montgomery 0 1 0 0
Nassau 14(1) 0 81 0
Niagara 0 0 0 0
Oneida 0 0 0 0
Onondaga 9(1) 0 16 0
Ontario 0 1 0 0
Orange 0 0 5 0
Orleans 0 0 0 0
Oswego 1(0) 0 8 0
Otsego 0 0 0 0
Putnam 0 0 0 0
Rensselaer 1(0) 0 0 0
Rockland 1(0) 0 175 0
Saratoga 1(0) 1 0 0
Schenectady 0 0 0 0
Schoharie 0 0 0 0
Schuyler 0 0 0 0
Seneca 0 0 0 0
St. Lawrence 0 0 0 0
Steuben 0 0 0 0
Suffolk 14(0) 1 210 0
Sullivan 0 0 0 0
Tioga 0 0 0 0
Tompkins 0 0 0 0
Ulster 1(0) 0 0 0
Warren 0 0 0 0
Washington 0 0 0 0
Wayne 0 0 0 0
Westchester 4(0) 1 29 0
Wyoming 0 0 0 0
Yates 0 0 0 0
NYS - Excluding NYC (Total) 66(3) 7 693 0
Bronx (NYC) 4 0 12 0
Brooklyn (NYC) 12 0 55 0
Manhattan (NYC) 9 0 8 0
Queens (NYC) 10 0 114 0
Staten Island (NYC) 6 0 123 0
New York City (Total) 41(6) 0 312 0
New York State (Total) 107(9) 7 1,005 0
  • 1 Number in parentheses indicates number of deaths. New York City deaths not listed by burough.

Notes of clarification:

  • Not all animals testing positive are necessarily ill or symptomatic of WNV infection. Some specimens are tested only for surveillance purposes. WNV-positive birds are not listed.