2007 WNV Activity by County

Total Positive Counties: 51

County	Human Cases	Horses	Dead Birds	Mosquito Samples	Sentinel Chickens
State Totals	380	28	1396	1007	510
Alameda	-	-	19	1	-
Alpine	-	-	-	-	-
Amador	-	-	1	1	-
Butte	16	-	27	5	32
Calaveras	-	-	3	-	-
Colusa	2	-	4	1	2
Contra Costa	3	-	28	28	5
Del Norte	-	-	-	-	-
El Dorado	-	-	7	-	-
Fresno	17	1	114	61	46
Glenn	7	-	36	1	8
Humboldt	-	-	2	-	-
Imperial	3	-	-	4	17
Inyo	-	-	1	-	-
Kern	140	4	124	206	82
Kings	7	2	9	30	22
Lake	-	-	3	8	2
Lassen	-	-	2	-	-
Los Angeles	36	-	165	92	27
Madera	2	-	6	8	4
Marin	-	-	4	-	-
Mariposa	-	-	-	-	-
Mendocino	2	-	3	-	-
Merced	4	-	34	2	11
Modoc	-	-	1	-	-
Mono	-	-	-	-	-
Monterey	-	-	-	-	-
Napa	1	-	2	-	-
Nevada	-	-	5	-	-
Orange	9	-	43	27	-
Placer	4	1	16	25	13
Plumas	-	-	1	-	-
Riverside	17	-	6	30	44
Sacramento	25	2	142	135	19
San Benito	-	-	-	-	-
San Bernardino	4	-	26	6	35
San Diego	15	4	108	6	1
San Francisco	-	-	1	-	-
San Joaquin	10	1	46	154	24
San Luis Obispo	-	1	9	-	-
San Mateo	-	-	2	-	-
Santa Barbara	-	-	1	-	-
Santa Clara	4	-	83	10	-
Santa Cruz	-	-	6	-	-
Shasta	9	3	48	17	7
Sierra	-	-	-	-	-
Siskiyou	-	2	4	-	-
Solano	1	1	3	-	7
Sonoma	1	2	19	1	-
Stanislaus	21	-	130	88	35
Sutter	3	-	1	23	17
Tehama	4	2	20	2	8
Trinity	-	-	1	-	-
Tulare	10	2	38	23	27
Tuolumne	-	-	1	-	-
Ventura	1	-	15	-	1
Yolo	2	-	25	10	4
Yuba	-	-	1	2	10
State Totals	380	28	1396	1007	510