Communicable Disease Control

The Communicable Disease Control 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, you can also email us at epi@ochca.com.


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Latest News & Health Advisories

CD Health Alert: 2019 Novel Coronavirus: Orange County UpdateMarch 23, 2020
Orange County has now had over 125 cases of Novel Coronavirus 2019 (COVID-19) reported. There has been a rapid increase in daily reports of COVID-19 cases over the last several days and community transmission is becoming more widespread. At this point the Orange County Health Care Agency (OCHCA) will only be conducting investigations of cases identified in hospitalized patients, health care workers, and residents of congregate living facilities. Providers should inform their patients of test results and give them education on disease prevention and monitoring for worsening disease.

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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdatesMarch 17, 2020
Orange County now has 22 cases of 2019 Novel Coronavirus Disease (COVID-19) reported; case numbers are increasingly rapidly and a number of cases resulting from community transmission have been reported.

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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdatesMarch 13, 2020
Orange County now has thirteen cases of 2019 Novel Coronavirus Disease (COVID-19) reported, including one case that appears to have been locally transmitted. The Orange County Health Care Agency (OCHCA) is identifying and contacting close community exposures to these cases.

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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdateMarch 9, 2020
Clinical laboratories have announced that COVID-19 testing is now or will soon be available. The CDC has also recently liberalized its guidance for potential testing to a wider group symptomatic patients. Providers should anticipate transitioning to using commercial laboratories for clinical testing.

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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdatesMarch 4, 2020
The second and third Orange County cases of 2019 Novel Coronavirus Disease (COVID-19) were confirmed yesterday. Both cases had a history of recent international travel to a country with known local spread of COVID-19. The Orange County Health Care Agency (OCHCA) is identifying and contacting any community exposures to these cases.

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