Acute Communicable
Disease Control

 
Contact Information
County of Los Angeles
Department of Public Health
Acute Communicable Disease Control
313 N. Figueroa Street, #212
Los Angeles, CA 90012
Phone: (213) 240-7941
Fax: (213) 482-4856
Email:acdc2@ph.lacounty.gov

Call 211 For Information 24/7

Have questions about things like where to go for vaccinations or other health care services?

Call 2-1-1.

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(Back to West Nile Virus Main Page)


WNV in Los Angeles County

WNV first emerged in Los Angeles County in 2004, and since has caused significant numbers of illnesses, including hospitalizations and deaths. Los Angeles County has experienced increased levels of WNV activity for the past 6 years. Each year, between 150 and 300 people in Los Angeles County are identified with WNV infection. While everyone is at risk for WNV, people over 50 and those with health problems are at greater risk of serious illness, this can include meningitis (brain infection), encephalitis (swelling of the brain) and limb paralysis. 

The Los Angeles County Department of Public health urges all residents to limit the spread WNV by stopping mosquitoes from infesting your home and yard, and to protect yourself and your family from mosquito bites by using repellant when outdoors.

Having problems with mosquitoes? Contact information is available HERE.

News and Updates:
  • News Release: First West Nile Virus Death Reported in LA County - First death of 2021 reinforces need for all residents to take precautions against mosquitoes (9-17-21)
  • Arbo Report 2021: West Nile Virus and Other Arboviral DiseasesóLA County Epidemiology Report (9-3-21)
  • FINAL REPORT: West Nile Virus and Other Arboviral Diseases Epidemiology Final Report 2020
  • FINAL REPORT: West Nile Virus and Other Arboviral Diseases Epidemiology Final Report 2019
  • FINAL REPORT: West Nile Virus and Other Arboviral Diseases Epidemiology Final Report 2018
  • FINAL REPORT: West Nile Virus and Other Arboviral Diseases Epidemiology Final Report 2017
 
SIGN UP: To receive the free weekly emailed West Nile Virus and Other Arboviral Diseases Report (published during West Nile virus season) email "Subscribe WNV" to ACDC2@ph.lacounty.gov

Los Angeles County Final Annual WNV Epidemiology Reports
Final annual surveillance reports for Los Angeles County:
2019 / 2018 / 2017  / 2016  /  2015  /  2014  /  2013  /  2012  /  2011  /  2010  /  2009  /   2008  /  2007  /  2006  /   2005  / 2004

 Confirmed West Nile Infections and Fatalities in Los Angeles County by Year*
Year 2019 2018 2017 2016 2015 2014  2013 2012 2011 2010 2009 2008 2007 2006 2005 2004
Infections 29 47 268 153 300 218 165 174 63 4 25 170 43 16 43 309
Hospitalizations 24

37

224 131 262 180 122 133 49 3 15 125 31 5 30 179
Deaths 3 3 27 6 24 7 9 6 4 0 1 6 5 0 0 13
* Excludes Long Beach and Pasadena. Includes asymptomatic blood and organ donors.
** Update as of 12/13/19.

Surveillance Summaries


Request a speaker: Los Angeles County Department of Public Health Speakers' Bureau

Additional Resources



 
Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.
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