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 Connection Newsletter - MayMay 31, 2018
May is Hepatitis Awareness Month
Hepatitis is inflammation of the liver which can result from infectious and noninfectious causes.

CD Connection Newsletter - AprilApril 30, 2018
Update on Zika and West Nile Virus for Orange County

CD Connection Newsletter - MarchMarch 23, 2018
Tuberculosis (TB) Update in Orange County

Eye on Influenza 2017-18 Vol 8March 9, 2018
It's Still Not Too Late to Get Vaccinated! Based on voluntary healthcare facility reporting, influenza appears to have peaked during week 52.

Eye on Influenza 2017-18 Vol 7February 20, 2018
Influenza Activity Expected to Continue for Several More Weeks; It’s Not Too Late to Vaccinate!