West Nile Virus Update

New York State Department of Health

8/23/00


Cumulative Year 2000 West Nile Virus Positive Results

(Includes positive results through 8/23/00)

Counties / NYC Boroughs

Humans

Mosquito Pools

Dead Birds

Albany

0

0

3

Broome

0

0

2

Cayuga

0

0

2

Chautauqua

0

0

2

Chemung

0

0

1

Clinton

0

0

2

Columbia

0

0

2

Cortland

0

0

2

Delaware

0

0

1

Dutchess

0

0

8

Erie

0

0

2

Franklin

0

0

2

Greene

0

0

1

Hamilton

0

0

1

Livingston

0

0

1

Nassau

0

0

18

Niagara

0

0

2

Oneida

0

0

2

Onondaga

0

0

11

Orange

0

2

13

Putnam

0

0

3

Rensselaer

0

0

3

Rockland

0

14

82

Saratoga

0

0

2

Schenectady

0

0

7

Schuyler

0

0

1

Suffolk

0

54

42

Sullivan

0

0

1

Tompkins

0

0

1

Ulster

0

0

5

Warren

0

0

2

Washington

0

0

1

Westchester

0

7

22*

Yates

0

0

1

 

New York City (Total)

0

62

59

Bronx

0

1

4

Brooklyn

0

0

2

Manhattan

0

9

7

Queens

0

2

8

Staten Island

3

50

38

New York State Totals

3

139

310

*Includes red-tailed hawk from 2/00

 

Mosquito Surveillance

Mosquito Testing at Wadsworth

Week of

Total this Year

8/12-8/18

Number of pools submitted for testing

678

4,848

Number of mosquitoes submitted for testing

25,435

180,282

 

WNV Positive Mosquito Pools, by Species

Total this Year

Culex pipiens

25

Culex pipiens/restuans

85

Culex restuans

0

Culex salinarius

17

Culex species

7

Aedes japonicus

3

Aedes triseriatus

2

 

 

Human Surveillance

Human Case Surveillance**

Week of

Total this Year

8/12-8/18

Number of suspect cases - NYS*

38

250

Number of suspect cases - NYC

21

253

*New York State, excluding New York City

** testing performed at NYSDOH and NYCDOH

 

 

Bird Surveillance

In addition to the dead bird results, one sentinel chicken in Westchester County and 6 live wild birds in NYC (Brooklyn 5, Bronx 1) have tested positive for WNV.

Dead Bird Surveillance

Week of

Total this Year

8/12-8/18

Number of ill or dead crows reported

432

9,114

Number of crows sent for testing

228

1,995

Number of ill or dead birds of other species

1,826

28,889

Number of other species sent for testing

311

2,844


 

WNV Positive Dead Birds, by Species

Total this Year

American crow

189

American kestrel

3

American robin

6

Bluejay

56

Canada goose

2

Captive bird

3

Cedar wax wing

1

Common grackle

1

Cooper’s Hawk

2

Eastern bluebird

1

Fish crow

8

Great blue heron`

1

House finch

1

House sparrow

6

Merlin

1

Mourning dove

1

Mute swan

1

Northern mockingbird

1

Ovenbird

1

Red-tailed hawk

3

Ring-billed gull

2

Rock dove

2

Ruffled grouse

1

Song sparrow

2

Wood thrush

1

Yellow-rumped warbler

1

Total

310