Epidemiology & Assessment

The Epidemiology and Assessment unit’s medical directors, public health nurses, and epidemiologists investigate individual cases and outbreaks of reported communicable disease (see List of Reportable Diseases) per the State of California Code of Regulations. We monitor disease trends, and often provide current statistics and other information to doctors, hospitals, the public and news media. For more information or CD reporting 24/7 call 714-834-8180.

For questions or comments, please email epi@ochca.com.

Latest News & Health Advisories

CD Health Alert - Orange County Infant Pertussis DeathApril 19, 2019
Orange County Health Care Agency has recently confirmed a pertussis-related death in an infant. The case is the first pertussis-related death reported in Orange County since 2007.

CD Health Alert - Update: Candida auris in Orange CountyApril 16, 2019
Patients colonized with Candida auris ( C. auris ) have been identified recently at multiple healthcare facilities in Orange County. Colonized patients have been identified in Kindred Hospital, Santa Ana.

CD Health Alert - Measles on the RiseApril 15, 2019
Measles cases in the U.S. in the first three months of 2019 have already surpassed the year-end totals for every year except 2014 since ongoing transmission of measles was eliminated in this country nearly two decades ago.

CD Healrt Alert - Update: Candida auris Cases in Kindred Hospital, Santa AnaMarch 28, 2019
Multiple patients colonized with Candida auris ( C. auris ) have been identified recently at Kindred Hospital, Santa Ana. These patients are the first identified in Southern California.

Eye on Influenza 2018-19 Volume 15 Issue 6March 15, 2019
Influenza activity continues to be elevated in Orange County.