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Communicable Disease Control Division
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WHO WE ARE: The HCA Public Health Services Communicable Disease Control Division works to prevent and control the spread of infectious diseases in our community. We work with local healthcare providers, government agencies, and community partners to identify outbreaks of disease and develop strategies to limit their further spread. California's legal code also mandates the reporting of certain diseases. For more information, please see the links below.
WHAT WE DO: Our team monitors disease surveillance data and provides clinical and epidemiological guidance to residents, healthcare providers, and the broader community. In addition, we may also assist with diagnosis, treatment, and preventative services such as vaccination and prophylactic treatment when needed.
Together we can prevent and control the spread of communicable diseases.
CONTACT US: For more information or CD reporting 24/7 call 714-834-8180, you can also email us at epi@ochca.com.
Latest News and Health Advisories
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The Centers for Disease Control and Prevention (CDC), in conjunction with the White House Office of National Drug Control Policy (ONDCP), is issuing this Health Advisory to notify public health professionals, clinicians, laboratorians, and people at risk for overdose about increasing reports from U...
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Key Messages Respiratory Syncytial Virus (RSV) transmission is continuing in California. CDPH recommends continuing RSV immunization of eligible infants and young children with RSV monoclonal antibody products through April 30, 2026. As of 3/7/2026, percent positivity for RSV in Orange County...
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Key Messages: Pfizer recently updated ( PDF ) the estimated recovery of the Bicillin L-A shortage to the 4th Quarter of 2026. The next delivery of Bicillin® L-A 1.2 MU and 2.4 MU prefilled syringes is anticipated to be July 2026; the next delivery of the pediatric 600,000 Units prefilled syringes...
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The OC Health Care Agency (HCA) received notification of a confirmed case of measles who visited Orange County (OC). While infectious, this individual visited the following OC locations: Disneyland Park, Thursday, January 22 from 8:00 a.m. to 4:00 p.m. Disney California Adventure Park, January 22...
