2016 WNV Activity by County
Year To Date (Weeks 1 - 28)

(2017-11-19) - Source: http://www.westnile.ca.gov

Total Positive Counties: 30

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals054989619
Alameda-1--
Alpine----
Amador----
Butte-18-
Calaveras----
Colusa----
Contra Costa-41-
Del Norte----
El Dorado----
Fresno-364-
Glenn----
Humboldt----
Imperial----
Inyo----
Kern--22-
Kings-336-
Lake-24-
Lassen----
Los Angeles-40514
Madera-115-
Marin-2--
Mariposa----
Mendocino----
Merced--41
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange-1219-
Placer-326-
Plumas----
Riverside-219-
Sacramento-233213-
San Benito----
San Bernardino--29-
San Diego-149405
San Francisco----
San Joaquin-1584-
San Luis Obispo----
San Mateo-2--
Santa Barbara----
Santa Clara-388-
Santa Cruz-11-
Shasta--1-
Sierra----
Siskiyou----
Solano-13-
Sonoma--1-
Stanislaus-448-
Sutter-5339
Tehama----
Trinity----
Tulare--126-
Tuolumne----
Ventura-11--
Yolo-1634-
Yuba--6-
State Totals054989619