Track the latest COVID-19 numbers in San Antonio and surrounding areas

Hospitalization numbers are beginning to improve

Bexar County coronavirus tracker Sept. 21, 2021.
Bexar County coronavirus tracker Sept. 21, 2021. (KSAT)

SAN ANTONIOEditor’s note: This article will be updated every weekday with the latest coronavirus information. Get updates delivered to your inbox by signing up for KSAT’s free Coronavirus Newsletter.

The rise of the delta variant has sent COVID-19 cases surging throughout the United States, including the San Antonio area.

Health experts say the best way to guard against serious illness from COVID-19 is to get fully vaccinated and wear a mask when indoors around people, regardless of vaccination status.

Here’s what you need to know about the latest surge of COVID-19 cases in San Antonio, Bexar County and surrounding areas. Updated with numbers released on Tuesday, Sept. 21.

Infection levels

The seven-day average of new coronavirus cases is on a downward trend. The rolling average went from 713 on Monday to 652 on Tuesday.

The highest seven-day average of new cases from the entire pandemic for Bexar County came on Jan. 16, when the average stood at 2,260 cases per day. The total number of cases from the entire pandemic now stands at 305,278.

Experts are also tracking the weekly positivity rate, or the percentage of tests that come back positive each 7 days.

At the start of July, the weekly positivity rate was at 5.8%.

On Tuesday, Sept. 14, the weekly positivity rate hit 7.1%. Last week, the positivity rate was 7.1%.

Local health officials have set a benchmark of 5% or less as a goal for the weekly positivity rate.


On Tuesday, officials reported 868 active hospitalizations, down from 883 active hospitalizations on Monday. Of those hospitalized, 314 are in the ICU and 196 are on ventilators. Roughly 9% of staffed hospital beds are available.

Health officials say that roughly 85% of those hospitalizations involve unvaccinated patients.

The highest number of active hospitalizations from the entire pandemic for Bexar County was logged on Jan. 18, when 1,520 hospitalizations were reported.

One new deaths were confirmed on Tuedsay, so the Bexar County coronavirus death toll rose to 4,282. Twenty-seven deaths were reported in the last seven days.

Surrounding areas

Comal County

Updated Sept. 21, 2021

  • Active cases: 1,576
  • Current hospitalizations: 53 (94% unvaccinated)
  • Positivity rate: 12.69%
  • Deaths yesterday: 2

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About the Author:

Fares Sabawi has been a journalist in San Antonio for four years. He has covered several topics, but specializes in crime, courts, open records and data visualization.