2014 WNV Activity by County
Year To Date (Weeks 1 - 36)

(2018-11-18) - Source: http://www.westnile.ca.gov

Total Positive Counties: 37

CountyHuman CasesHorsesDead BirdsMosquito SamplesSentinel Chickens
State Totals231018302659274
Alameda--7315-
Alpine-----
Amador-----
Butte16-193734
Calaveras-----
Colusa2-416
Contra Costa1-351913
Del Norte-----
El Dorado--1--
Fresno25-8114-
Glenn6-488
Humboldt--2--
Imperial1----
Inyo-----
Kern3-390-
Kings2-2138-
Lake1-15672
Lassen-----
Los Angeles32-4719282
Madera2-433-
Marin--33-
Mariposa-----
Mendocino-----
Merced--1106
Modoc-----
Mono-----
Monterey-----
Napa--9--
Nevada-----
Orange85-228315-
Placer1-2773-
Plumas-----
Riverside1--567
Sacramento4-2564428
San Benito-----
San Bernardino4-137916
San Diego2-7--
San Francisco-----
San Joaquin3-42182-
San Luis Obispo-----
San Mateo--912-
Santa Barbara-----
Santa Clara5-801292
Santa Cruz--1--
Shasta1-5327
Sierra-----
Siskiyou-----
Solano1-321119
Sonoma--1551
Stanislaus20-3511312
Sutter2-195126
Tehama1---8
Trinity-----
Tulare7-383084
Tuolumne-----
Ventura--2--
Yolo--542006
Yuba3-16247
State Totals231018302659274