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.
Provider Advisory: Legionnaire's Disease in Garden GroveJanuary 9, 2019 The Orange County Health Care Agency (OCHCA) has recently identified four cases of Legionnaire’s disease in residents of Garden Grove. The first case had an illness onset date of December 21, 2018. OCHCA is currently investigating the cases; a common exposure has not been identified. More...
Provider Advisory: Hepatitis A Case With History of Illicit Drug Use in Orange CountyDecember 3, 2018 Orange County Public Health received a report last week of one case of hepatitis A virus (HAV) infection in a county resident with no history of travel outside the county or exposure to HAV. The case had a history of illicit drug use but no history of experiencing homelessness. More...
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