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Coronavirus Disease 2019

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Please refresh your browser to see the latest updates and versions of our documents.
New and Noteworthy
For the latest information, view LA County data and DPH press releases. Join the Los Angeles Health Alert Network (LAHAN) to receive DPH email advisories on COVID-19 for health professionals.

Looking for New and Noteworthy COVID-19 vaccine updates? Visit the LAC DPH Vaccine Info Hub.
There are numerous webinars on COVID-19 vaccination: View Vaccine Webinars

  • Counterfeit 3M N95 Masks (2-17-21) The Department of Homeland Security (DHS) announced that approximately 11 million counterfeit 3M N95 respirator masks have been seized in recent weeks. DHS have notified about six thousand suspected victims of the fraud, in at least 12 states, including hospitals, medical facilities and others who may have purchased medical masks from the illicit dealers, urging them to immediately stop using the masks and to contact DHS investigations immediately. The masks did not come through 3M’s regular distributors. The 3M Respirator Fraud webpage provides information on counterfeit alerts and how to avoid counterfeit products.
  • LAHAN--Vaccinated Persons and Quarantine (2-18-21) LAC DPH quarantine requirements have been updated to include exceptions for vaccinated persons meeting specific criteria. Included in this notification was an announcement that new DPH patient resources are available on the following webpages: Masks (including information regarding “double masking”) and After you get a COVID-19 vaccine. See LAHAN
  • Pulse oximetry limitations: Both the CDC and the FDA have issued recent warnings that pulse oximeters may exhibit suboptimal accuracy in certain populations and should not be relied on alone when assessing, triaging, and managing patients with suspected or confirmed COVID-19. The CDC updated clinical guidance includes new information on the potential for under-detection of occult hypoxemia by pulse oximetry, especially among persons with dark skin. The FDA has issued a safety communication on the same topic urging clinicians to be aware of the many factors that can affect pulse oximetry accuracy (including poor circulation, skin pigmentation, skin thickness, skin temperature, current tobacco use, and use of fingernail polish).
  • Limitations of SARS-CoV-2 Antigen Tests, Low Influenza Rates, Updates LAC DPH Health Advisory (2-3-21). See LAHAN
Contact Us

DPH COVID-19 Provider Call-Line:

  • Healthcare provider questions on testing, reporting, or other COVID-related issues.
  • Clinical questions about the COVID vaccine including but not limited to contraindications, precautions, side effects, post vaccination assessment.
  • For COVID-19 related discharge and transfer resources visit this webpage
  • Monday through Friday, 8:00am-5:00pm, call 213-240-7941. For time-sensitive questions after hours, call 213-974-1234 and ask for the on-call clinician

DPH COVID-19 Vaccine Administration Provider Line and Email:

  • Healthcare community questions about vaccine distribution, storage and handling, and guidance on registering to receive the vaccine through the CDPH enrollment website.
  • Monday through Friday, 8:00am- 5:00pm call 833-505-0761 or email COVIDVaccineReq@ph.lacounty.gov.

Vaccines for Healthcare Workers:

Medical professionals interested in supporting the COVID-19 response:

The CDC Clinician Call Center is available to clinicians who have COVID-19 clinical management questions. Call 800-CDC-INFO (800-232-4636) to be routed to Infectious Diseases Society of America (IDSA) volunteer clinicians.

Emergency Medical Service / First Responders
  • Guidance for Monitoring EMS Personnel  Guidance Updated
  • FAQs for EMS (11-25-20) FAQs
  • Best Practices from On-Site Assessment at the Firehouses/Ambulance Quarters-Shared Living Houses (7-18-20) Guidance
  • Prevention and Control in Firehouses (7-2-20) Guidance
  • Prevention and Control in Ambulance Quarters (7-2-20) Guidance
Health Officer Orders
  • Access to Diagnostic Testing through Healthcare Facilities (8-8-20) Order
  • Home Quarantine (12-17-20) Order
  • Home Isolation (12-17-20) Order
  • Prevention of COVID-19 Transmission in:
  • Updated COVID-19 Reporting Requirements (3-24-20) Order
  • Other Health Officer Orders For all Health Officer orders (including those related to individuals and reopening), protocols, FAQs, and translated documents, visit the Health Officer Order section of the DPH COVID page. Orders
Educational Opportunities
  • For webinars on COVID-19 Vaccination, please visit the DPH Provider Vaccine Hub.
  • CMA Virtual Grand Rounds: COVID-19 Clinical Updates - live and recorded webinars from the California Medical Association. Surge & Hope for 2021: 12-8-20 Recording, View past recordings
  • CDC Clinician Outreach and Communication Activity (COCA) calls/webinars Information and recordings
  • Telehealth & Health Equity: Considerations for Addressing Health Disparities during the COVID-19 Pandemic 9-15-20 Webinar
  • CDC COCA Webinar with CME-Leveraging Existing Resources to Meet the Challenges Faced by People Who Use Drugs or Who Have Substance Use Disorders During the COVID-19 Pandemic, Thursday October 22, 11 AM-12 PM. Webinar Details
  • CDC COCA Webinar: Recommendations for Influenza Prevention and Treatment in Children: An Update for Pediatric Providers -  with CME Slides | Recording and CME information 10-8-20
  • CDC COCA Webinar: Testing and Treatment of 2020-2021 Seasonal Influenza During COVID-19 Pandemic -  with CME Slides | Recording and CME information 9-17-20
  • CDC Webinar Clinical Management of Multisystem Inflammatory Syndrome in Children (MIS-C) Associated with COVID-19: Slides Recording 07-16-20.
  • COVID-19: An ACP Physician's Guide + Resources
LA County COVID-19 Data
  • NHSN COVID-19 Nursing Home Data for LA County: includes data reported to CDC’s National Healthcare Safety Network (NHSN) system COVID-19 Long Term Care Facility Module, including resident & staff case and death counts, county community rates, and an inventory of supplies & PPE. The data include PCR (but not antibody and antigen) test results. NHSN Data
  • LAC DPH COVID-19 Dashboard for SNFS - self-reported weekly information on the number of COVID-19 tests performed and persons diagnosed in LAC SNFs. The data are collected through surveys facilitated by CDPH SNF Dashboard
  • Case Summary page: tables with cases by demographics and city/community, as well as hospitalizations and deaths. Also includes a listing of residential congregate settings with one or more cases and non-residential congregate settings (including workplaces, food and retail stores and educational settings) with five or more cases. Daily case summary
  • Metrics to Guide Reopening LA County: metrics and targets for testing, deaths, hospitalizations and hospital capacity and PPE supplies. Dashboard
  • Interactive COVID-19 surveillance dashboard: tables, maps, graphs, and charts including cases, counts by date, deaths, and tests performed. Dashboard
  • Healthcare Worker Cases: by occupational setting and role, known exposure and hospitalization and demographics of COVID-19-related healthcare worker deaths. HCW data
  • COVID Watch: a summary of COVID-19 surveillance and other virologic surveillance data for LA County. Includes local data on pneumonia, influenza, and COVID-19 mortality as well as ED visits for influenza-like illness. COVID Watch Webpage
  • Press Releases: daily description of the number of cases by age, and deaths by age and underlying illness. Daily press release
Additional COVID-19 Resources

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  • Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.

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