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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

State of California Moves County of Orange to More Restrictive Purple Tier Effective ImmediatelyEffective immediately under order of Governor Newsom and the California Department of Public Health (CDPH), the County of Orange was moved into the Purple Tier, the state's most restrictive tier. Impacted industries and activities in Orange County will have 24 hours in which to comply with this action and make necessary modifications.
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OC Health Care Agency Ramps Up Efforts Encouraging Testing, Protecting Each OtherWith Thanksgiving, Christmas, and other seasonal holidays upon us, the OC Health Care Agency (HCA) is reminding Orange County residents to avoid usual large family gatherings this year in order to protect themselves, their loved ones, and their neighbors from the spread of COVID-19.
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John Wayne Airport Posts October 2020 StatisticsAirline passenger traffic at John Wayne Airport decreased in October 2020 as compared with October 2019. In October 2020, the Airport served 307,865 passengers, a decrease of 65.7% when compared with the October 2019 passenger traffic count of 897,873.
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County Health Officer Shares Tips for a Healthier ThanksgivingHolidays usually mean gathering with friends and extended family, attending parties, hosting dinners, traveling, and celebrating time-honored customs. But some holiday activities promote congregating and mixing of households, which increase the risk of transmitting COVID-19.
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Department of Toxic Substances Control bans treated wood from landfills beginning January 2021In response to expiring state waivers, the CaliforniaDepartment of Toxic Substances Control will no longer allow the landfill disposal of treated wood waste(TWW), effective January 1, 2021. This means OC’s landfills cannot accept TWW for disposal.
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