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The original item was published from 4/19/2021 9:49:00 AM to 4/23/2021 12:24:35 PM.

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City Spotlights & COVID-19 Updates

Posted on: April 19, 2021

[ARCHIVED] COVID-19 Update | April 19, 2021

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COVID-19: Brookings County

UPDATED: April 19, 2021

The South Dakota Department of Health COVID-19 page is updated daily and has confirmed:

  • Total Cases: 4,092
  • Recovered Individuals: 3,875
  • Active Cases: 180
  • Spread Category: Substantial

COVID-19: Brookings Thresholds

UPDATED: April 16, 2021

  1. Is the epidemic controlled? No.  Rt was above 1.0 for 11 of the last 14 days; community spread is currently substantial per DOH definition.
  2. Is the health system able to cope with a resurgence of COVID-19 cases that may arise after adapting some measures? Based on current census, Brookings Health System feels they can handle the lowest of the anticipated numbers (n = 4).  However, staffing will be challenged, thereby limiting the ability to sustain care for the long-term, with the highest anticipated number (n = 14).
  3. 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: No, 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: No, test positivity is 17% based on BHS data and for state data there is a range of 8% based on tests done to 40% 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 4/14/21: 40%


COVID-19: Brookings Epidemiology Weekly Video

UPDATED: April 15, 2021

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COVID-19: Local, Regional, and National Weekly Summary

UPDATED: April 14, 2021

Brookings County (substantial spread is 34+ new cases per week)

  • 4,048 cases:  141 new cases this week vs. 70 in previous week 
  • 190 active cases (up from 146 last week)
  • Test positivity among people tested (40%) & among tests done (11%); percent test positivity based on PCR tests only (DOH dashboard = 8%).
  • The largest percentage increase this past week was in the 0-9 year age group (12%, n=15) and the largest increase in number of cases this past week was in the 20-29 year age group (3% increase, n=42).
  • 146 ever hospitalized:  3 new admission this week vs. 3 in previous week
  • 37 total deaths: 0 deaths this week vs. 0 in previous week
  • 40% of Brookings residents aged 16+ years have received 1+ vaccines and 27% are fully vaccinated (not including VA & IHS).
  • Cumulative cases per 100,000 population by week is given for counties with the 10 most populous cities (three slides; see county rankings below).
  • Brookings County no longer has the lowest overall number of cases per population (Lawrence County is now best).  
  • Brookings County had the largest 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. Non-residential visits appear to be lower, and time spent in homes higher, than pre-pandemic levels.

South Dakota (substantial spread is 864+ new cases per week)

  • 120,379 cases: 1,404 new cases this week vs. 1,216 in previous week
  • 2,391 active cases (2,511 last week)
  • 12% of cases this past week were among individuals aged 60+ years – this is about the same as 13% last week.  
  • Test positivity among people tested (25%) & among tests done (5%); percent test positivity based on PCR tests only (DOH dashboard = 9%).
  • 7,268 ever hospitalized: 81 admissions this week vs. 82 in previous week
  • 113 people currently hospitalized, up from 94 hospitalized last week (27 in the ICU vs. 17 last week)
  • 1,948 deaths:  10 deaths this week vs. 3 in previous week 
  • 47% of South Dakotans and 44% 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 50% vaccination rate. 
  • 13.6% of South Dakotans have tested positive (11.5% of Brookings County residents): the age group with the highest percentage is 20-29 years (18.2% for SD & 15.5% for Brookings) followed by 40-49 year (18.0% for SD & 14.8% for Brookings).
  • Overall, 6.0% of South Dakotans who have tested positive have been hospitalized ranging from 1.1% in the less than 20 year age group to 28.4% in 80 years and older age group.
  • Overall case fatality rate (percent of people testing positive for COVID who die) is 1.65% and ranges from less than 1% in individuals less than 60 years of age to 1.9% in the 60-69 year age group, and increasing to 20.5% in the 80 years and older age group.
  • Cumulative number of cases for K-12 and higher education: 11,083 & 3,839 cases in K-12 students & staff and 3,383 & 653 cases in higher ed students & staff.
  • Deaths over time, including for January 2021, and from various causes (three slides) are given (last updated 3/9/21).  
  • South Dakota mobility data were updated this week and appear to be similar to pre-pandemic levels. 


  • 32.07 million cases: 510,346 new cases this week vs. 463,284 in previous week
  • 577,179 total deaths: 6,919 deaths this week vs. 6,122 in previous week   


  • 138.0 million cases: 4.99 million cases this week vs. 4.22 million in previous week
  • 2.97 million deaths: 85,690 deaths this week vs. 70,440 in previous week

COVID-19: Rankings (Top 10 Most Populous South Dakota Counties)

UPDATED: April 14, 2021


COVID-19: Daily Data

UPDATED: April 16, 2021

2021_DAILY (1)

COVID-19: Weekly Data

UPDATED: April 14, 2021

Source: Bonny Specker, Ph. D., South Dakota State University, Division of Research and Economic Development


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