COVID-19: Brookings County
UPDATED: May 20, 2021
The South Dakota Department of Health COVID-19 page is updated daily and has confirmed:
- Total Cases: 4,218
- Recovered Individuals: 4,160
- Active Cases: 21
- Spread Category: Moderate
COVID-19: Brookings Thresholds
UPDATED: May 14, 2021
- Is the epidemic controlled? Yes. Rt was below 1.0 for all of the last 14 days; community spread is currently moderate per DOH definition based on last two weeks of cases.
- Is the health system able to cope with a resurgence of COVID-19 cases that may arise after adapting some measures? Brookings Health System feels they can handle the anticipated numbers (n = 0 to 1).
- Is the public health surveillance system able to detect and manage the cases and their contacts, and identify a resurgence of cases in Brookings?
a. Mitigation Level: Yes, according to BHS data (includes sentinel testing, multiple tests on same person, non-county residents) and state data using tests done and unique people tested.
b. Suppression Level: Yes, test positivity is 3% based on BHS data and for state data there is a range of 1% based on tests done to 7% based on unique individuals tested.
c. Approximate Time to Receive Test Results: 1 to 2 days
d. Percent of Brookings population aged 16 years or older that has received at least one vaccine as of 5/12/21: 48%
DOWNLOAD BROOKINGS THRESHOLDS OUTLINE AND CURRENT DATA PDF HERE >
COVID-19: Brookings Epidemiology Weekly Video
UPDATED: May 20, 2021
Ask An Epidemiologist! Have a suggestion for a topic or a question you would like answered? Email us at marketing@cityofbrookings.org








COVID-19: Local, Regional, and National Weekly Summary
UPDATED: May 20, 2021
Brookings County (substantial spread is 34+ new cases per week)
- 4,218 cases: 11 new cases this week vs. 9 in previous week (in moderate spread)
- 23 active cases (down from 30 last week)
- Test positivity among people tested (11%) & among tests done (1%); percent test positivity based on PCR tests only (DOH dashboard = 1%)
- Four out of the 11 cases this past week were in the 50-59 year age group and four were in the 20-39 year age groups.
- 160 ever hospitalized: 2 new admissions this week vs. 5 in previous week
- 37 total deaths: 0 deaths this week vs. 0 in previous week
- 40% of Brookings County residents have received 1+ vaccines and 36% are fully vaccinated (not including VA & IHS). Hughes County residents have the highest vaccination rate (50%), while Pennington County has the lowest (32%).
- Cumulative cases per 100,000 population by week are given for counties with the 10 most populous cities (three slides; see county rankings below).
- Brookings County has the second lowest overall number of cases per population (Lawrence County is best).
- Brookings County had the third lowest number of cases in the past seven days per population out of the counties with the top 10 most populous cities.
- Brookings County mobility data were updated this week.
South Dakota (substantial spread is 864+ new cases per week)
- 123,822 cases: 325 new cases this week vs. 424 in previous week (in moderate spread)
- 674 active cases (1,004 last week)
- 15% of cases this past week were among individuals aged 60+ years (11% last week)
- Test positivity among people tested (10%) & among tests done (2%); percent test positivity based on PCR tests only (DOH dashboard = 1%).
- 7,530 ever hospitalized: 54 admissions this week vs. 59 in previous week
- 53 people currently hospitalized vs. 66 hospitalized last week (19 in the ICU vs. 20 last week)
- 1,994 deaths: 6 deaths this week vs. 14 in previous week
- 51% of South Dakotans and 52% of Brookings county residents aged 20+ years have received 1+ vaccines. Brookings County has a higher vaccination rate in all age groups except 20-29 years. All age groups less than 60 years have less than a 70% vaccination rate.
- 14.0% of South Dakotans have tested positive (12.0% of Brookings County residents): the age group with the highest percentage is 20-29 years (18.7% for SD & 16.0% for Brookings) followed by 40-49 year (18.5% for SD & 15.3% for Brookings).
- Overall, 6.0% of South Dakotans who have tested positive have been hospitalized and ranges from 1.1% in the less than 20 year age group to 6.0% in the 60-69 year age group, and increasing to 29.0% in 80 years and older age group.
- Overall case fatality rate (percent of people testing positive for COVID who die) is 1.62% and ranges from less than 1% in individuals less than 60 years of age to 2.0% in the 60-69 year age group, and increasing to 20.6% in the 80 years and older age group.
- Cumulative number of cases for K-12 and higher education: 11,795 & 3,925 cases in K-12 students & staff and 3,492 & 668 cases in higher ed students & staff.
- Deaths over time, including through March 2021, and by causes of death (four slides) were updated:
- 2020 Total deaths (provisional) = 9,857
- Average number of deaths/year (2010-2019) = 7,602
- Difference between observed & average = 2,255
- COVID deaths in 2020 per DOH dashboard = 1,488
- 2021 Total deaths through March (provisional) = 2,324
- Average number of deaths/year through March (2010-2019) = 2,018
- Difference between observed & average = 306
- COVID deaths in 2021 per DOH dashboard = 447
- Total deaths per 100K population in February and March of 2021 were similar to the average for 1960-2019.
- South Dakota mobility data were updated this week.
USA
- 33.77 million cases: 224,830 new cases this week vs. 275,456 in previous week
- 601,330 total deaths: 4,384 deaths this week vs. 4,537 in previous week
Worldwide
- 164.8 million cases: 4.56 million cases this week vs. 5.34 million in previous week
- 3.41 million deaths: 87,316 deaths this week vs. 90,214 in previous week
COVID-19: Rankings (Top 10 Most Populous South Dakota Counties)
UPDATED: May 12, 2021
DOWNLOAD RANKINGS CURRENT DATA PDF HERE >
COVID-19: Weekly Data
UPDATED: May 12, 2021
Source: Bonny Specker, Ph. D., South Dakota State University, Division of Research and Economic Development
DOWNLOAD WEEKLY DATA PDF HERE >











































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