2020 WNV Activity by County

(2020-01-22) - Source: http://www.westnile.ca.gov

Total Positive Counties: 34

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals2142263288139
Alameda1---
Alpine----
Amador1---
Butte514434
Calaveras----
Colusa1--6
Contra Costa1112
Del Norte----
El Dorado----
Fresno5010495-
Glenn--11
Humboldt----
Imperial3-2-
Inyo----
Kern282128-
Kings3-63-
Lake--6-
Lassen----
Los Angeles31539428
Madera3-85-
Marin----
Mariposa----
Mendocino----
Merced1034816
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange550208-
Placer13538
Plumas----
Riverside125524-
Sacramento444744
San Benito---1
San Bernardino7452-
San Diego22--
San Francisco----
San Joaquin75288-
San Luis Obispo2---
San Mateo----
Santa Barbara----
Santa Clara18--
Santa Cruz----
Shasta-131
Sierra----
Siskiyou----
Solano1-54
Sonoma----
Stanislaus164203-
Sutter--1511
Tehama---4
Trinity----
Tulare171781410
Tuolumne-1--
Ventura2213
Yolo-7591
Yuba-3225
State Totals2142263288139