Volume 9, Number 6—June 2003
Research
Dead Bird Clusters as an Early Warning System for West Nile Virus Activity
Table
Date of first West Nile virus (WNV) findings and response in communities with diagnosed human WNV infectionsa
Y | Date of first cluster | Positive bird report (collection date) | Positive mosquito collection | Human case report (onset date) |
---|---|---|---|---|
2000 |
||||
Staten Island |
6/14 |
7/16 (7/5) |
7/7 |
7/28 (7/20) |
W. Brooklyn |
6/17 |
8/15 (8/2) |
8/24 |
8/24 (8/16) |
E. Queens |
7/6 |
7/20 (7/6) |
7/23 |
9/21 (9/13) |
S. Brooklyn |
8/16 |
8/14 (7/31) |
8/18 |
9/12 (8/27) |
N Manhattan |
None |
8/2 (7/25) |
7/25 |
10/17 (8/31)b |
2001 |
||||
Staten Island |
5/25c
7/2 |
7/19 (7/5) |
7/26 |
8/10 (7/26) |
Staten Island |
5/25c
7/2 |
7/6 |
(8/5) |
|
E. Queens |
7/5 |
7/19 (7/6) |
8/26 |
8/21 (8/14) |
S. Queens |
None |
8/16 (8/2) |
9/26 |
9/18 (9/7)d |
E. Brooklyn |
9/11 |
10/26 (9/6) |
9/6 |
10/1 (9/9) |
S. Brooklyn |
8/25 |
8/31 (8/15) |
9/11 |
9/11 (9/2) |
Manhattan | 9/23 | - | 8/10 | 10/11 (10/6) |
aDates in bold are the first surveillance data found in each area.
bPossible exposure in eastern Queens.
cRetrospectively determined.
dExact residence not known.