2020 WNV Activity by County

(2020-07-06) - Source: http://www.westnile.ca.gov

Total Positive Counties: 15

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals1231350
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno-319-
Glenn----
Humboldt----
Imperial--1-
Inyo----
Kern--1-
Kings--1-
Lake----
Lassen----
Los Angeles-111-
Madera--1-
Marin----
Mariposa----
Mendocino----
Merced-11-
Modoc----
Mono----
Monterey----
Napa-1--
Nevada----
Orange----
Placer----
Plumas----
Riverside--21-
Sacramento-72-
San Benito----
San Bernardino----
San Diego--1-
San Francisco----
San Joaquin-13-
San Luis Obispo----
San Mateo----
Santa Barbara----
Santa Clara-57-
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus1459-
Sutter----
Tehama----
Trinity----
Tulare--7-
Tuolumne----
Ventura----
Yolo----
Yuba----
State Totals1231350