Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus
Serologic Evidence for West Nile Virus Infection in Birds in the New York City Vicinity During an Outbreak in 1999
Nicholas Komar*
, Nicholas A. Panella*, Joseph E. Burns*, Stephen W. Dusza*, Tina M. Mascarenhas*, and Thomas O. Talbot†
, Nicholas A. Panella*, Joseph E. Burns*, Stephen W. Dusza*, Tina M. Mascarenhas*, and Thomas O. Talbot†
Table 2
Flavivirus-neutralizing antibody detected in birds during September 1999, by county
| Percent Virus Ab pos. ([95% CI], no.) |
||||
|---|---|---|---|---|
| County (NY) | Total tested | WN | SLE | FLAV |
| Queens | 253 | 50.1 | 0 | 1.2 |
| ([44.3-56.9], 128) | ([0.2-3.5], 3) | |||
| Richmond | 43 | 2.3 | 0 | 0 |
| ([0.1-12.3], 1) | ||||
| Kings | 20 | 5.0 | 0 | 0 |
| ([0.1-37.5], 1) | ||||
| Nassau | 61 | 6.6 | 1.6 | 1.6 |
| ([1.8-15.9], 4) | ([0.04-8.8], 1) | ([0.04-8.8], 1) | ||
| Westchester | 53 | 11.3 | 1.9 | 3.8 |
| ([4.3-23.0], 6) | ([0.04-10.0], 1) | ([0.5-13.0], 2) | ||
Ab: antibody; CI: confidence interval; WN: West Nile; SLE: St. Louis encephalitis; FLAV: flavivirus.
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