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2004
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West Nile Virus Maps:  California - Bird
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Siskiyou County (34) Del Norte County (3) Modoc County (1) Humboldt County (17) Trinity County (9) Lassen County (13) Shasta County (90) Humboldt County (17) Tehama County (115) Plumas County (26) Butte County (118) Mendocino County (14) Glenn County (75) Sierra County (3) Yuba County (13) Lake County (30) Nevada County (26) Colusa County (21) Placer County (48) Sutter County (28) El Dorado County (22) Alpine County (3) Yolo County (26) Napa County (6) Sonoma County (48) Sacramento County (154) Mono County (6) Amador County (9) Solano County (17) Calaveras County (10) Tuolumne County (33) Marin County (18) San Joaquin County (57) Solano County (17) Solano County (17) Contra Costa County (19) Solano County (17) Stanislaus County (84) Sacramento County (154) Contra Costa County (19) Alameda County (23) Mariposa County (5) Marin County (18) San Francisco County (15) San Francisco County (15) Alameda County (23) San Francisco County (15) Madera County (7) San Francisco County (15) San Francisco County (15) San Francisco County (15) San Mateo County (15) San Francisco County (15) San Francisco County (15) Merced County (28) Fresno County (116) Santa Clara County (46) Inyo County (12) Santa Cruz County (36) San Benito County (5) Monterey County (12) Tulare County (48) Kings County (11) San Bernardino County (287) San Luis Obispo County (15) Kern County (87) Santa Barbara County (7) Ventura County (23) Los Angeles County (840) Riverside County (139) Santa Barbara County (7) Santa Barbara County (7) Santa Barbara County (7) Santa Barbara County (7) Ventura County (23) Ventura County (23) Ventura County (23) Orange County (224) Los Angeles County (840) San Diego County (34) Santa Barbara County (7) Los Angeles County (840) Imperial County (1) Ventura County (23) Los Angeles County (840) Los Angeles County (840) San Diego County (34) Navigate to Arizona page Navigate to Idaho page Navigate to Nevada page Navigate to Oregon page Navigate to Utah page Navigate to Wyoming page
Map Scalebar 350 km
Cumulative 2004 Data as of 3 am, Jun 22, 2005*
*These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Dead Bird Infections by County - California, 2004
Alameda County23
Alpine County3
Amador County9
Butte County118
Calaveras County10
Colusa County21
Contra Costa County19
Del Norte County3
El Dorado County22
Fresno County116
Glenn County75
Humboldt County17
Imperial County1
Inyo County12
Kern County87
Kings County11
Lake County30
Lassen County13
Los Angeles County840
Madera County7
Marin County18
Mariposa County5
Mendocino County14
Merced County28
Modoc County1
Mono County6
Monterey County12
Napa County6
Nevada County26
Orange County224
Placer County48
Plumas County26
Riverside County139
Sacramento County154
San Benito County5
San Bernardino County287
San Diego County34
San Francisco County15
San Joaquin County57
San Luis Obispo County15
San Mateo County15
Santa Barbara County7
Santa Clara County46
Santa Cruz County36
Shasta County90
Sierra County3
Siskiyou County34
Solano County17
Sonoma County48
Stanislaus County84
Sutter County28
Tehama County115
Trinity County9
Tulare County48
Tuolumne County33
Ventura County23
Yolo County26
Yuba County13
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