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

(2018-02-24) - Source: http://www.westnile.ca.gov

Total Positive Counties: 37

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals23118302659274
Alameda-7315-
Alpine----
Amador----
Butte16193734
Calaveras----
Colusa2416
Contra Costa1351913
Del Norte----
El Dorado-1--
Fresno258114-
Glenn6488
Humboldt-2--
Imperial1---
Inyo----
Kern3390-
Kings22138-
Lake115672
Lassen----
Los Angeles324719282
Madera2433-
Marin-33-
Mariposa----
Mendocino----
Merced-1106
Modoc----
Mono----
Monterey----
Napa-9--
Nevada----
Orange85228315-
Placer12773-
Plumas----
Riverside1-567
Sacramento42564428
San Benito----
San Bernardino4137916
San Diego27--
San Francisco----
San Joaquin342182-
San Luis Obispo----
San Mateo-912-
Santa Barbara----
Santa Clara5801292
Santa Cruz-1--
Shasta15327
Sierra----
Siskiyou----
Solano1321119
Sonoma-1551
Stanislaus203511312
Sutter2195126
Tehama1--8
Trinity----
Tulare7383084
Tuolumne----
Ventura-2--
Yolo-542006
Yuba316247
State Totals23118302659274