San Diego County COVID-19 Update – 5-21-2021

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Here is today’s COVID-19 update from the County Health and Human Services Agency with data through May 20.

Vaccination Progress:

  • Doses delivered: Close to 3.95 million.
  • Doses administered: More than 3.48 million.
  • Received at least one shot: Close to 1.87 million or 66.7% of San Diegans 12 and older.
  • Fully vaccinated: Over 1.42 million or 50.7%.
  • The goal: fully vaccinate 75% of San Diego County residents 12 and older or 2,101,936 people.
  • To date, 88.9% of the goal population has received at least one vaccine and 67.6% are fully vaccinated.
  • More vaccination information can be found

State Metrics:

  • San Diego County’s state-calculated, adjusted case rate is currently 3.4 cases per 100,000 residents.
  • The testing positivity percentage is 1.6%.
  • The health equity metric is 2.1%.
  • CDPH assesses counties on a weekly basis. The next report is scheduled for Tuesday, May 25.

Community Setting Outbreaks:

  • Four new community outbreaks were confirmed May 20: one in a business setting, one in a faith-based agency setting, one in a residence and one in a restaurant/bar setting.
  • In the past seven days (May 14 through May 20), 16 community outbreaks were confirmed.
  • The community outbreaks trigger is seven or more in seven days.


  • 12,394 tests were reported to the County on May 20, and the percentage of new positive cases was 1%.
  • The 14-day rolling average percentage of positive cases is 1.3%. Target is less than 8.0%.
  • The 7-day, daily average of tests is 10,749.

Cases, Hospitalizations and ICU Admissions:

  • 64 COVID-19 cases were reported to the County on May 20. The region’s total is now 279,553.
  • 15,382 or 5.5% of all cases have required hospitalization.
  • 1,700 or 0.6% of all cases and 11% of hospitalized cases had to be admitted to an intensive care unit.


  • No new deaths were reported on May 21, 2021. The region’s total is 3,748.
  • One previously reported death was removed from the case and death counts during routine Quality Assurance and reinspection because the COVID-19 diagnosis was only shown in an antigen test but could not be confirmed in a subsequent PCR test.

More Information:

The more detailed data summaries found on the County’s website are updated around 5 p.m. daily.


Katie Cadiao is a communications specialist with the County of San Diego Communications Office. Contact