2017 WNV Activity by County

(2017-08-21) - Source: http://www.westnile.ca.gov

Total Positive Counties: 32

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals41203204992
Alameda-1--
Alpine----
Amador----
Butte12269
Calaveras----
Colusa-1--
Contra Costa-534
Del Norte----
El Dorado-1--
Fresno-274-
Glenn--11-
Humboldt----
Imperial----
Inyo--6-
Kern63129-
Kings1157-
Lake-181
Lassen----
Los Angeles233226843
Madera--25-
Marin----
Mariposa----
Mendocino----
Merced-12413
Modoc----
Mono----
Monterey-1--
Napa----
Nevada-1--
Orange-1594-
Placer-124-
Plumas----
Riverside123144-
Sacramento-4067-
San Benito----
San Bernardino52720112
San Diego-143-
San Francisco----
San Joaquin16154-
San Luis Obispo----
San Mateo-1--
Santa Barbara----
Santa Clara-5--
Santa Cruz-1--
Shasta----
Sierra----
Siskiyou----
Solano-131
Sonoma----
Stanislaus23110-
Sutter-1157
Tehama----
Trinity----
Tulare18555-
Tuolumne----
Ventura----
Yolo-133-
Yuba-4152
State Totals41203204992