Latest updates on COVID-19 from the County of San Mateo

by Contributed Content on April 23, 2021

COVID-19 Testing Remains Vital
Testing the public for COVID-19 is vital on two fronts: it alerts public health officials to outbreaks – allowing infected patients to begin treatment and isolation sooner – and can help ease restrictions if case rates continue to fall.

“Testing has been decreasing … as the public loses interest and yet testing remains important to understand the prevalence of the virus and prevent the spread – so again we want to reinforce the message that safe, easy, no cost testing is still widely available throughout San Mateo County,” said Louise Rogers, chief of San Mateo County Health.

Locations and appointments are available on the County testing website:

Move to Yellow Tier Possible May 4
San Mateo County remains in the second-most lenient category – orange – in the state’s four-tier color-coded blueprint for easing COVID-19-related restrictions.

The county could potentially move to the most lenient category – yellow – on May 4 if key metrics are met.

As of Monday, April 20, 2021, the county recorded 3.9 new COVID-19 cases per day per 100,000 of the population with an adjusted case rate (based on testing) of 2.0. The county also recorded a 0.9 percent positivity rate over seven days and a 1.4 percent positivity rate in neighborhoods most heavily impacted by the virus.

Learn about the CDPH monitoring and tier assignment metrics here.

New Guidance for Indoor Events, Gatherings, Places of Worship

The California Department of Public Health (CDPH) has published new health and safety guidance for several activities.

Unsure how to implement the required vaccine check/testing requirements for your small event?

The San Mateo County/Silicon Valley Convention & Visitors Bureau’s webinar “Best Practices to Comply with Vaccine Check & COVID Testing for Small Events” has answers.

Watch it at

San Mateo County Health has compiled guidance from the CDPH and other key sources available here.

Guidance for Fully Vaccinated Persons
The CDPH also issued guidance for fully vaccinated persons. The guidelines apply to people two weeks after full vaccination. The guidance is available here.

Need a Record of Your Vaccination?
All vaccine administrators in the state report each vaccination to the California Immunization Registry where you can log in to see an official record of your immunizations.

Visit their website and submit your request using this form.

Please note that this process requires you to verify your identity by uploading a copy of a photo ID, and then creating an account. The State offers support via

Vaccine Eligibility for Residents 16 and Older
All California residents age 16 and older are eligible for COVID-19 vaccines.

Residents are urged to check for availability and appointments with their health care providers and local pharmacies. California provides a “VaccineFinder” tool at

Residents can also sign up at or call (833) 422-4255 to get a COVID-19 vaccine appointment. If appointments are not available, residents can sign up to be notified when they are.

San Mateo County residents are encouraged to also sign up for the County’s notification tool to receive information about how to make an appointment.

Vaccine Doses Administered Tops 650,000
A total of 416,367 individuals have received at least one COVID-19 vaccine shot in San Mateo County as of Wednesday, April 21, 2021. This represents 64.8 percent of county residents age 16 and older.

Of the total, 271,296 individuals have completed the vaccination series, bringing the total number of doses administered to 659,372.

COVID-19 Case Counts
County Health reports a total of 41,261 total cases of COVID-19 as of Wednesday, April 14, 2021. Deaths attributed to COVID-19 stand at 560.

Additional information such as cases by age group, cases by race/ethnicity and deaths by age is available at

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