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Div. of Media Relations
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(404) 639-3286
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August 30, 2002
Contact: CDC Press Office
(404) 6393286

Press Release

West Nile Virus Update

  1. As of 3:00 PM (MDT), August 30, 2002 these are the human case totals for 2002 that have been reported to CDC/Arbonet or compiled in direct communication with state or local health officials:

    Total Laboratory Positive Human Cases

    Alabama 13
    Arkansas 3
    Connecticut 1
    District of Columbia 1
    Florida 1
    Georgia 6
    Illinois 122
    Indiana 10
    Iowa 1
    Kentucky 6
    Louisiana 205
    Maryland 2
    Massachusetts 1
    Michigan 21
    Minnesota 2
    Mississippi 104
    Missouri 27
    Nebraska 4
    New York 5
    North Dakota 3
    Ohio 35
    Oklahoma 2
    South Carolina 1
    South Dakota 5
    Tennessee 5
    Texas 43
    Virginia 3
    Wisconsin 6
       
    Total human cases: 638
    Total human fatalities: GA (2), IL (7), KY (1), LA (8), MI (2), MO (1), MS (3), NE (1), NY (1), OH (4), TX (1) 31




    The following human data are derived from cases (N=556) that have been reported and verified to CDC/Arbonet. Arbonet is the national, electronic surveillance system established by CDC to assist states in tracking West Nile and other mosquito-borne viruses.


    Demographic and onset data: the following data are available on 556 (99%) of 556 cases
    Median age: 51 years (range: 9 months 98 years)
    Gender distribution: 297 (54%) are male 
    Number of cases by month of onset:
          June: 16
          July: 189
          August: 346

    Fatalities (n=26):
          Median age: 76 years 
          Gender distribution: 15 (58%) are male 
          Age range: 48 94 years

    Clinical Manifestations (n=556):
    Meningo-encephalitis: 272
    Fever: 80
    Unknown: 204


  2. As of 3:00 PM (MDT), August 30, 2002 these are the tallies for 2002 reported and verified to CDC/Arbonet:

    Total number of states/districts reporting any West Nile virus activity, 2002: 41 states + DC

    Avian

    • Total number of dead birds reported & verified, 2002: 5057
    • States/districts reporting dead birds, 2002:
      Alabama, Arkansas, Colorado, Connecticut, DC, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, Wyoming

    Veterinary

    • Total number of veterinary cases (all equine) reported & verified: 998
    • States/districts reporting veterinary cases (# cases verified):
      Alabama (9), Arkansas (10), Colorado (20), Florida (51), Georgia (2), Iowa (26), Illinois (61), Indiana (56), Kansas (34), Kentucky (56), Louisiana (6), Minnesota (7), Mississippi (76), Montana (1), Nebraska (46), New Mexico (1), New York (3), North Dakota (175), Ohio (2), Oklahoma (1), Pennsylvania (2), South Dakota (177), Tennessee (1), Texas (159), Vermont (1), Virginia (2), Wyoming (13)

    Mosquito Pools

    • Total number of mosquito pools reported & verified as positive: 1808
    • States/districts reporting positive mosquito pools:
      Alabama, Connecticut, DC, Georgia, Illinois, Indiana, Kentucky, Maryland, Massachusetts, Mississippi, Nebraska, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, South Dakota, Texas, Virginia
    • Mosquito species pools reported positive:
      Aedes sp., Aedes albopictus, Aedes aegypti, Aedes vexans, Anopheles sp., Anopheles punctipennis, Anopheles quadrimaculatus, Coquillettidia perturbans, Culiseta inornata, Cx. sp., Cx. erraticus, Cx. pipiens, Cx. pipiens-restuans, Cx. quinquefasciatus, Cx. restuans, Cx. salinarius, Cx. tarsalis, Ochlerotatus cantator, Ochlerotatus japonicus, Ochlerotatus sollicitans, Ochlerotatus triseriatus, Ochlerotatus trivittatus, Psorophora ciliata, Psorophora columbia

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