West Nile Virus Maps - Human

West Nile Virus: California - Human

USA Map, Alabama, Alaska, Arizona, Arkansas, California, Colorado, Conneticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachussets, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode island, South Carolina, South Dakota, Tennesee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

350 km

Cumulative 2012 Data as of 3 am, May 14, 2013*

These data are provisional and may be revised or adjusted in the future.

[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]

Cumulative Human Disease Cases by Local Jurisdiction - California, 2012

Alameda County	2
Butte County	10
Colusa County	3
Contra Costa County	4
Fresno County	24
Glenn County	7
Imperial County	1
Kern County	25
Kings County	3
Lake County	1
Los Angeles County	163
Madera County	3
Merced County	13
Monterey County	1
Orange County	42
Placer County	12

Riverside County	19
Sacramento County	29
San Bernardino County	33
San Diego County	1
San Francisco County	1
San Joaquin County	13
Shasta County	1
Solano County	2
Stanislaus County	26
Sutter County	8
Tehama County	4
Tulare County	7
Ventura County	7
Yolo County	10
Yuba County	4

Cumulative Total Entire State: 479

For further information or questions regarding the data on this page, please contact the Centers for Disease Control and Prevention: Phone: (970) 221-6400 E-mail: dvbid@cdc.gov
For issues regarding this web site, please use the contact link below.

http://diseasemaps.usgs.gov/wnv_ca_human.html
Contact: WNVM Web Team
This page last modified: Tuesday May 14, 2013 EST

Background Historical Data Current Year FAQs Links

Canadian WNV
Human Surveillance

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* Data demonstrates local jurisdiction of residence and not necessarily the locale where the infection was acquired.
** States and counties in yellow are those in which virus activity has been reported historically, but no positive test results have been reported or no surveillance has occurred this year.