2016 WNV Activity by County
Year To Date (Weeks 1 - 24)

(2017-06-25) - Source: http://www.westnile.ca.gov

Total Positive Counties: 19

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals01931852
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa-1--
Del Norte----
El Dorado----
Fresno-119-
Glenn----
Humboldt----
Imperial----
Inyo----
Kern--11-
Kings--3-
Lake----
Lassen----
Los Angeles-139-
Madera-16-
Marin----
Mariposa----
Mendocino----
Merced----
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange-64-
Placer----
Plumas----
Riverside--10-
Sacramento-6536-
San Benito----
San Bernardino--10-
San Diego-83402
San Francisco----
San Joaquin-29-
San Luis Obispo----
San Mateo----
Santa Barbara----
Santa Clara-144-
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano-1--
Sonoma----
Stanislaus-22-
Sutter-18-
Tehama----
Trinity----
Tulare--14-
Tuolumne----
Ventura-2--
Yolo-1--
Yuba----
State Totals01931852