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The original item was published from 4/7/2021 5:03:00 PM to 4/8/2021 12:21:32 PM.

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City Spotlights & COVID-19 Updates

Posted on: April 7, 2021

[ARCHIVED] COVID-19 Update | April 7, 2021

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COVID-19: Brookings County

UPDATED: April 7, 2021

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

  • Total Cases: 3,907
  • Recovered Individuals: 3,724
  • Active Cases: 146
  • Spread Category: Substantial

COVID-19: Brookings Thresholds

UPDATED: April 1, 2021

  1. Is the epidemic controlled? No.  Rt was above 1.0 for 14 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 = 3).  However, staffing will be challenged, thereby limiting the ability to sustain care for the long-term, with the highest anticipated number (n = 12).
  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 unique people tested (not tests done).
    b. Suppression Level: No, test positivity is 11% based on BHS data and for state data there is a range of 6% based on tests done to 33% 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 3/31/21: 30%


COVID-19: Brookings Epidemiology Weekly Video

UPDATED: April 1, 2021

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

UPDATED: April 7, 2021

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

  • 3,907 cases:  70 new cases this week vs. 103 in previous week 
  • 146 active cases (up from 145 last week)
  • Test positivity among people tested (23%) & among tests done (6%); percent test positivity based on PCR tests only (DOH dashboard = 9%).
  • The largest percentage increase and number of cases this past week was in the 30-39 year age group (4% increase, n=18).   
  • 143 ever hospitalized:  3 new admission this week vs. 6 in previous week
  • 37 total deaths: 0 deaths this week vs. 0 in previous week
  • 37% of Brookings residents aged 16+ years have received 1+ vaccines and 20% 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).  Cases in most counties shown are declining; Minnehaha and Brookings counties had the largest number of cases per population cases in the past week.
  • Brookings County mobility data was not updated this week.

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

  • 118,975 cases: 1,216 new cases this week vs. 1,389 in previous week
  • 2,511 active cases (2,522 last week)
  • 13% of cases this past week were among individuals aged 60+ years – this is up from 10% last week.  
  • Test positivity among people tested (24%) & among tests done (5%); percent test positivity based on PCR tests only (DOH dashboard = 9%).
  • 7,087 ever hospitalized: 82 admissions this week vs. 112 in previous week
  • 94 people currently hospitalized (down from 104 hospitalized last week) (17 currently in ICU) 
  • 1,938 deaths:  3 deaths this week vs. 11 in previous week 
  • 41% of South Dakotans aged 16+ years have received 1+ vaccines and 28% are fully vaccinated (not including VA or IHS); including VA and IHS, 47% of population aged 16+ years has received at least one vaccine.
  • Vaccination rates in residents aged 20 years and older range from a low of 21% in 20-29 year age group to a high of 75% in the 80 years and older age group.
  • 13.4% of South Dakotans have tested positive (11.1% of Brookings County residents): the age group with the highest percentage is 20-29 years (18.0% for SD & 15.0% for Brookings) followed by 40-49 year (17.8% for SD & 14.2% for Brookings).
  • Overall, 6.0% of South Dakotans who have tested positive have been hospitalized ranging from 1.0% in the less than 20 year age group to 28.3% in 80 years and older age group.
  • Overall case fatality rate (percent of people testing positive for COVID who die) is 1.7% 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: 10,842 & 3,799 cases in K-12 students & staff and 3,326 & 635 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 not updated this week. 


  • 31.56 million cases: 463,284 new cases this week vs. 460,620 in previous week
  • 570,260 total deaths: 6,122 deaths this week vs. 7,255 in previous week  


  • 133.0 million cases: 4.22 million cases this week vs. 4.00 million in previous week
  • 2.88 million deaths: 70,440 deaths this week vs. 69,672 in previous week

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

UPDATED: April 7, 2021


COVID-19: Weekly Data

UPDATED: April 7, 2021

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


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