Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: mmwrq@cdc.gov. Type 508 Accommodation and the title of the report in the subject line of e-mail.
West Nile Virus Activity --- United States, October 24--30, 2002
This report summarizes West Nile virus (WNV) surveillance data reported to CDC through ArboNET and by states
and other jurisdictions as of 7 a.m. Mountain Standard Time, October 30, 2002.
During October 24--30, a total of 123 laboratory-positive human cases of WNV-associated illness were reported from Indiana (n=43), Illinois (n=14), Pennsylvania (n=12), Michigan (n=nine), Louisiana (n=seven), Ohio (n=seven),
Colorado (n=five), Mississippi (n=four), Connecticut (n=three), Florida (n=three), Missouri (n=three), Texas (n=three), Minnesota (n=two), New York (n=two), Iowa (n=one), Maryland (n=one), Nebraska (n=one), New Jersey (n=one), Tennessee (n=one), and West Virginia (n=one). During the same period, WNV infections were reported in 519 dead crows and 424 other dead birds. A total of 272 veterinary cases and 165 WNV-positive mosquito pools were reported.
During 2002, a total of 3,419 human cases with laboratory evidence of recent WNV infection have been reported
from Illinois (n=719), Michigan (n=472), Ohio (n=385), Louisiana (n=317), Indiana (n=247), Mississippi (n=182),
Missouri (n=162), Texas (n=140), Nebraska (n=115), New York (n=73), Pennsylvania (n=59), Kentucky (n=59), Tennessee (n=50), Iowa (n=45), Alabama (n=41), Minnesota (n=41), South Dakota (n=37), Wisconsin (n=37), the District of Columbia (n=27), Georgia (n=25), Maryland (n=24), Virginia (n=24), Arkansas (n=21), Massachusetts (n=21), Connecticut (n=17), North Dakota (n=17), Florida (n=16), New Jersey (n=11), Colorado (n=10), Oklahoma (n=eight), Kansas (n=six), West Virginia (n=three), North Carolina (n=two), California (n=one), Delaware (n=one), Rhode Island (n=one), South Carolina (n=one), Vermont (n=one), and Wyoming (n=one) (Figure). Among the 3,044 patients for whom data were available, the median age was 56 years (range: 1 month--99 years); 1,643 (54%) were male, and the dates of illness onset ranged from June 10
to October 19. A total of 180 human deaths have been reported. The median age of decedents was 79 years (range:
24--99
years); 107 (59%) deaths were among men. In addition, 7,093 dead crows and 5,343 other dead birds with WNV
infection were reported from 42 states and the District of Columbia; 7,333 WNV infections in mammals (7,320 equines, three canines, and 10 other species) have been reported from 35 states (Alabama, Arkansas, Colorado, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Minnesota, Mississippi, Missouri,
Montana, Nebraska, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Wisconsin, and Wyoming). During 2002,
WNV seroconversions have been reported in 365 sentinel chicken flocks from Florida, Iowa, Nebraska, Pennsylvania, Texas,
and New York City; 4,782 WNV-positive mosquito pools have been reported from 26 states (Alabama, Arkansas,
Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Massachusetts, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, South Dakota,
Texas, Vermont, and Virginia), New York City, and the District of Columbia.
Use of trade names and commercial sources is for identification only and does not imply endorsement by the U.S. Department of
Health and Human Services.References to non-CDC sites on the Internet are
provided as a service to MMWR readers and do not constitute or imply
endorsement of these organizations or their programs by CDC or the U.S.
Department of Health and Human Services. CDC is not responsible for the content
of pages found at these sites. URL addresses listed in MMWR were current as of
the date of publication.
Disclaimer
All MMWR HTML versions of articles are electronic conversions from ASCII text
into HTML. This conversion may have resulted in character translation or format errors in the HTML version.
Users should not rely on this HTML document, but are referred to the electronic PDF version and/or
the original MMWR paper copy for the official text, figures, and tables.
An original paper copy of this issue can be obtained from the Superintendent of Documents,
U.S. Government Printing Office (GPO), Washington, DC 20402-9371; telephone: (202) 512-1800.
Contact GPO for current prices.
**Questions or messages regarding errors in formatting should be addressed to
mmwrq@cdc.gov.
