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COVID-19 News Release



May 12, 2020

As LA County Continues on Road to Recovery, Public Health Director Clarifies Remarks at Today's Board of Supervisors Meeting Related to Extension of Health Officer Orders

"L.A. County is continuing its progress on the road to recovery, with planned reopening of beaches for active recreation and an expansion of permitted retail activities coming tomorrow. While the Safer at Home orders will remain in place over the next few months, restrictions will be gradually relaxed under our 5-stage Roadmap to Recovery while making sure we are keeping our communities as safe as possible during this pandemic,” said Barbara Ferrer, PhD, MPH, MEd, Director of Public Health. “We are being guided by science and data that will safely move us forward along the road to recovery in a measured way—one that allows us to ensure that effective distancing and infection control measures are in place. We’re counting on the public’s continued compliance with the orders to enable us to relax restrictions, and we are committed to making sure that L.A. County is in the best position to provide its 10 million residents with the highest level of wellness possible as we progressively get back to normal.”

The Department of Public Health is committed to promoting health equity and ensuring optimal health and well-being for all 10 million residents of Los Angeles County. Through a variety of programs, community partnerships and services, Public Health oversees environmental health, disease control, and community and family health. Nationally accredited by the Public Health Accreditation Board, the Los Angeles County Department of Public Health comprises nearly 4,500 employees and has an annual budget of $1.2 billion. To learn more about Los Angeles County Public Health, please visit , and follow LA County Public Health on social media at, and follow LA County Public Health on social media at and


April 20th 2020

USC-LA County Study: Early Results of Antibody Testing Suggest Number of COVID-19 Infections Far Exceeds Number of Confirmed Cases in Los Angeles County

USC and the Los Angeles County Department of Public Health (Public Health) today released preliminary results from a collaborative scientific study that suggests infections from the new coronavirus are far more widespread - and the fatality rate much lower - in L.A. County than previously thought.

The results are from the first round of an ongoing study by USC researchers and Public Health officials. They will be conducting antibody testing over time on a series of representative samples of adults to determine the scope and spread of the pandemic across the county.

Based on results of the first round of testing, the research team estimates that approximately 4.1% of the county's adult population has antibody to the virus. Adjusting this estimate for statistical margin of error implies about 2.8% to 5.6% of the county's adult population has antibody to the virus- which translates to approximately 221,000 to 442,000 adults in the county who have had the infection. That estimate is 28 to 55 times higher than the 7,994 confirmed cases of COVID-19 reported to the county by the time of the study in early April. The number of COVID-related deaths in the county has now surpassed 600.

"We haven't known the true extent of COVID-19 infections in our community because we have only tested people with symptoms, and the availability of tests has been limited," said lead investigator Neeraj Sood, a USC professor of public policy at USC Price School for Public Policy and senior fellow at USC Schaeffer Center for Health Policy and Economics. "The estimates also suggest that we might have to recalibrate disease prediction models and rethink public health strategies."

The results have important implications for public health efforts to control the local epidemic.

"These results indicate that many persons may have been unknowingly infected and at risk of transmitting the virus to others," said Dr. Barbara Ferrer, director of the L.A. County Department of Public Health. "These findings underscore the importance of expanded polymerase chain reaction (PCR) testing to diagnose those with infection so they can be isolated and quarantined, while also maintaining the broad social distancing interventions."

The antibody test is helpful for identifying past infection, but a PCR test is required to diagnose current infection.

"Though the results indicate a lower risk of death among those with infection than was previously thought, the number of COVID-related deaths each day continues to mount, highlighting the need for continued vigorous prevention and control efforts," said Dr. Paul Simon, chief science officer at L.A. County Department of Public Health and co-lead on the study.

The study's results have not yet been peer reviewed by other scientists. The researchers plan to test new groups of participants every few weeks in coming months to gauge the pandemic's trajectory in the region.

About the study With help from medical students from the Keck School of Medicine of USC, USC researchers and Public Health officials conducted drive-through antibody testing April 10th and 11th at six sites. Participants were recruited via a proprietary database that is representative of the county population. The database is maintained by LRW Group, a market research firm.

The researchers used a rapid antibody test for the study. The FDA allows such tests for public health surveillance to gain greater clarity on actual infection rates. The test's accuracy was further assessed at a lab at Stanford University, using blood samples that were positive and negative for COVID-19.

In addition to Sood and Simon, other authors and institutions contributing to the study include Peggy Ebner of the Keck School; Daniel Eichner of the Sports Medicine Research & Testing Laboratory; Jeffrey Reynolds of LRW Group; Eran Bendavid and Jay Bhattacharya of Stanford University School of Medicine.

The study was supported with funding from USC Schwarzenegger Institute, USC Lusk Center, USC President's Office, Jedel Foundation, LRW Group, Soap Box Sample, and several individual donors.

More information

  • A recent Q&A with Neeraj Sood on antibody testing can be found here.
  • See the Los Angeles County's April 16, 2020,Health Advisory SARS-CoV2 Serology Advisory for clarification on antibody testing.
  • B-roll and photos from the April 10-11, 2020 antibody testing conducted in Los Angeles can be found here.

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April 12th 2020

L.A. County Continues to Ramp Up COVID-19 Drive-Up Testing Sites:

New locations planned for MLK Jr. Hospital, East Los Angeles and Santa Clarita this week


As of April 3, the following sites are available:

Antelope Valley Mall
(1233 Rancho Vista Blvd., Palmdale, CA 91768)

Pomona Fairplex
(Gate 17 - W. McKinley/Fairplex Drive)

South Bay Galleria
(1815 Hawthorne Blvd., Redondo Beach, CA 90278)

Carbon Health - Echo Park - Walk-Up Only
(2110 Sunset Blvd., Suite M, Los Angeles, CA 90026)

Crenshaw Christian Center
(7901 S. Vermont Ave., Los Angeles, CA 90044)

Glendale Memorial Hospital
(222 W. Eulalia St., Glendale, CA 91204)

Hansen Dam Recreational Center
(entrance on Osborne St., 11798 Foothill Blvd., Lake View Terrace, CA 91342)

High Desert Medical Group
(43839 15th St. W., Lancaster, CA 93534)

Hotchkin Memorial Training Center
(1700 Stadium Way, Los Angeles, CA 90012)

VA Parking Lot 15
(at corner of Constitution and Davis, 100 Constitution Ave., Los Angeles, CA 90095)

Northridge Hospital Medical Center
(18460 Roscoe Blvd., Northridge, CA 91325 (enter on Reseda Blvd.)

To ensure our testing sites help those who need it the most, people with insurance should first contact their medical providers to request COVID-19 testing through their own networks which are also providing testing in a variety of locations throughout the County. Follow @CountyofLA for more information and visit for the most up-to-date information about the COVID-19 response in LA County. 

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March 27, 2020


Los Angeles, CA (Friday, March 27, 2020) —  Los Angeles County launched several new digital tools today to help residents access up-to-date information about the COVID-19 pandemic. A suite of new interactive maps and dashboards are now live on the County website, providing—in one place—a digital hub for updates about virus case counts, emergency proclamations, and information regarding openings and closures for parks, recreation sites, and schools throughout Los Angeles County. 


The new dashboards track, analyze, and display multiple data sources. They are the result of collaboration between the County’s Department of Public Health, Health Services, Parks and Recreation, the Los Angeles County Office of Education, and the Office of Emergency Management. Though the focus is local, the new interactive sites also incorporate global data from Johns Hopkins University's COVID-19 tracking map.


“These maps and dashboards are the latest step we have taken to keep the people of Los Angeles County informed during the COVID-19 pandemic, and connected to County services,” stated Kevin McGowan, Director of the Los Angeles County Office of Emergency Management. “The amount of information about the virus online can be overwhelming, and the data and updates change minute-to-minute. Our COVID-19 website, and its features including these new interactive tools, are a centralized source of trusted information.” 


Four new dashboards are now available ( 

  • Case Count Dashboard: This map tracks and displays local Los Angeles County COVID-19 cases and deaths. The interactive dashboard allows users to click on a city or community name, zoom to the selected area, and view the total case count for that community, as well as adjacent areas. The dashboard is updated daily with case count data from the Department of Public Health. 
  • Emergency Proclamations Dashboard: This interactive dashboard displays local emergency proclamations throughout Los Angeles County.  Users can click a city name to see when a local emergency was proclaimed and view the official proclamation. The dashboard links to cities’ official websites and is updated as LA County’s 88 cities make proclamations.
  • Parks and Recreation Closures: This dashboard shows the status of recreation activities, senior programs, and other services provided by County Parks and Recreation.  Users can click to find out which services are open, partially closed, or completely closed. The dashboard is updated as services change throughout the County.
  • School Closures: This dashboard displays the closure status of the 80 school districts supported by the Los Angeles County Office of Education (LACOE). Users can click a district to view schools and enrollment count. It is updated with information from LACOE.  


These new dashboards are built on an Esri ArcGIs platform, and are additionally accessible through a mobile version. They are located in the County COVID-19 site’s Newsroom section, which also contains videos, photos, links to Incident Reports, and daily summaries created by the Los Angeles County Emergency Operations Center.