2016 WNV Activity by County
Year To Date (Weeks 1 - 36)

(2017-09-22) - Source: http://www.westnile.ca.gov

Total Positive Counties: 36

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals15511893114265
Alameda-102-
Alpine----
Amador----
Butte16184437
Calaveras----
Colusa1--9
Contra Costa-2285
Del Norte----
El Dorado13--
Fresno56175-
Glenn341110
Humboldt----
Imperial----
Inyo----
Kern7-78-
Kings14110-
Lake-4354
Lassen----
Los Angeles5310031175
Madera1590-
Marin-4--
Mariposa----
Mendocino----
Merced-51233
Modoc----
Mono----
Monterey----
Napa--4-
Nevada-2-1
Orange361327-
Placer-26993
Plumas----
Riverside11229-
Sacramento13405441-
San Benito----
San Bernardino337715
San Diego3240749
San Francisco----
San Joaquin435322-
San Luis Obispo----
San Mateo-105-
Santa Barbara----
Santa Clara17412-
Santa Cruz-23-
Shasta11113
Sierra----
Siskiyou----
Solano-6165
Sonoma-41-
Stanislaus1110240-
Sutter6106832
Tehama4--8
Trinity----
Tulare-3245-
Tuolumne----
Ventura227--
Yolo10692463
Yuba541813
State Totals15511893114265