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


Here is today’s COVID-19 update from the County Health and Human Services Agency with data through May 18.

Vaccination Progress:

  • Doses delivered: About 3.9 million.
  • Doses administered: Nearly 3.41 million.
  • Received at least one shot: Nearly 1.82 million or 64.9% of San Diegans 12 and older.
  • Fully vaccinated: More than 1.38 million or 49.3%.
  • The goal: fully vaccinate 75% of San Diego County residents 12 and older or 2,101,936 people.
  • To date, 86.6% of the goal population has received at least one vaccine and 65.7% 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:

  • Six new community outbreaks were confirmed May 18.
  • Two of the outbreaks were in grocery settings, two were in faith-based agency settings, one was in a college/university setting and one was in a daycare/preschool/childcare setting.
  • In the past seven days (May 12 through May 18), 13 community outbreaks were confirmed.
  • The community outbreaks trigger is seven or more in seven days.


  • 12,564 tests were reported to the County on May 18, and the percentage of new positive cases was 1%.
  • The 14-day rolling average percentage of positive cases is 1.4%. Target is less than 8.0%.
  • The 7-day, daily average of tests is 11,262.

Cases, Hospitalizations and ICU Admissions:

  • 91 COVID-19 cases were reported to the County on May 18. The region’s total is now 279,344.
  • 15,382 or 5.5% of all cases have required hospitalization.
  • 1,698 or 0.6% of all cases and 11% of hospitalized cases had to be admitted to an intensive care unit.


  • Four new COVID-19 deaths were reported on May 18. The region’s total is 3,746.
  • Four men died between July 2, 2020 and May 17, 2021.
  • The death from 2020 and deaths in January and February of 2021 were just added to the list after a rigorous review of death certificates that were incorrect or incomplete and required the analysis of the patients’ medical records to determine if they were COVID-19 deaths.
  • One of the deceased was in his mid-80s; one was in his mid-70s and two were in their early 70s.
  • Three of the four had underlying medical conditions.

More Information:

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

Gig Conaughton is a communications specialist with the County of San Diego Communications Office. Contact