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The United Center Vaccination Site

Gov. JB Pritzker announced today that the United Center will open as a vaccination site starting on March 10.

“All of our State’s residents will have access to the United Center, which will be open to expanded Phase 1b plus populations that includes high risk conditions,” said Gov. Pritzker. “I’m deeply grateful to the Biden-Harris administration. They worked closely with us to bring a high-capacity site to one of the most accessible and important locations in America.”

The United Center site will have capacity to administer 6,000 doses per day. Gov. JB Pritzker emphasized, “This site doesn’t take away from our existing vaccine shipments, but instead brings additional vaccine doses into our State directly from the federal government and outside of our regular State and city allotments.

“In the coming days, we’ll be announcing an advance signup period which will allow seniors 65 and older to have exclusive early access to the first batch of vaccination appointments.”

Gov. Pritzker added that Illinois expects to receive, on average, shipments of at least 100,000 doses per day by mid-March. He said the State has administered more than 100,000 doses in each of the last two days, so it has the infrastructure to administer that many doses per day.

Risk of Community Spread

Both the CDC and IDPH recommend that communities assess the risk that COVID-19 will spread using two measures: 1) the total number of new COVID-19 cases per 100,000 people in the community (e.g., county) in the past seven days; and 2) the percentage of tests for COVID-19 that were returned positive in the last 7 days. [1, 2 and 3]

For total cases in the last 7 days per 100,000 people, IDPH uses a target of 50 cases. CDC says between 10 and 49 cases represents a “moderate” risk of transmission.

For test positivity in the last 7 days, IDPH uses a target of 5%. CDC says between 5% and 7.9% represents a “moderate” risk of transmission.

Two of the charts in the above chart box track these two measures for Evanston, Suburban Cook County, Chicago and the State. [4] The third chart shows the trend of new cases in the State.

Evanston – COVID

The City reported 28 COVID-19 cases of Evanston residents today. But, Patrick Deignan, Communications Manager for the City, told the RoundTable that 7 of the cases were due to community spread, 16 occurred in congregate care settings, and 5 were reported today due to reporting delays. So, the number of new COVID-19 cases today is 23. 

Yesterday, the City reported 40 COVID-19 cases of Evanston residents, but with a caveat. Ike Ogbo, Director of Health and Human Services, told the RoundTable that 5 of the cases were actually new cases yesterday, and the other 35 were reported for the first time yesterday due to reporting delays from one of the labs, and the cases dated back as far as December.  

For purpose of reporting trends in this article, the RoundTable is thus assuming there were 23 new COVID-19 cases today and 5 new cases yesterday.

The average number of new cases per day in the last seven days is 7.7, down from the seven-day average of 10.6 on Feb. 19. For purposes of comparison, on Oct. 12, the seven-day average was 5.6.

There has been a total of 3,916 COVID-19 cases of Evanston residents during the pandemic, 199 of which are active.  

In the last seven days, there was a total of 54 new COVID-19 cases of Evanstonians. That equates to about 72 new cases per 100,000 people in the seven-day period.

The case positivity rate over the last seven days is 2.3%. No Evanstonian died due to COVID-19 in the last 24 hours. The number of deaths due to COVID-19 remains at 111.    

Impact of Northwestern University. Northwestern University has posted data on its website reporting that between Feb. 19 and Feb. 25 there were 52 new confirmed COVID-19 cases of staff (2), non-undergrad students (8), and undergrad students (40). The number includes those who live outside of Evanston. The City says it does not know how many of these cases are people who live in Evanston. [5]

Illinois – COVID

 In the State, there were 2,441 new COVID-19 cases reported today, up from 1,884 yesterday.

Statewide, the average number of new cases per day in the last seven days is 1,824. The seven-day average one week ago, on Feb. 19, was 1,781, so today’s number is an increase of 2%. This is the first time the seven-day average was higher than the prior seven-day average in a long time.

Today’s seven-day average is down from an all-time high of 12,380 on Nov. 17. An accompanying chart shows the trend.

In the seven days ending Feb. 26, the number of new cases per 100,000 people in the State was 101, up from 98 one week ago.

The seven-day case positivity rate for the State today is 2.5% and the test positivity rate is 2.7%.

On a Statewide basis, the number of hospitalizations due to COVID-19 was 1,393 as of midnight on Feb. 25. This is down from an all-time high of 6,171 on Nov. 23.

The number of patients using ICU beds is 336, down from 1,195 on Dec. 1. The number of patients on ventilators is 174, down from 724 on Dec. 1.

On a Statewide basis, there were 55 deaths due to COVID-19 in the last 24 hours, which brings the total to 20,460.

For the last seven days, the numbers of deaths in the State are 42, 35, 34, 27, 44, 32, and 55 today. The seven-day average is 38.

Vaccinations in the State

A total of 3,171,245 doses of vaccine have been delivered to providers in Illinois, including Chicago and long-term care facilities.  IDPH is currently reporting that a total of 2,543,620 doses of vaccines have been administered.


1/ On Feb. 12, the CDC issued a “K-12 School Operational Strategy.” As part of that strategy, the report says, “CDC recommends the use of two measures of community burden to determine the level of risk of transmission: 1) the total number of new cases per 100,000 persons in the past 7 days; and 2) the percentage of nucleic acid amplification tests (NAATs), including RT-PCR tests that are positive during the last 7 days. The two measures of community burden should be used to assess the incidence and spread of SARS-CoV-2 in the surrounding community (e.g., county) and not in the schools themselves.” The CDC provides a chart to assess whether the risk of transmission is low, moderate, substantial, or high. The CDC recommends different types of mitigations depending on the risk level. If the two indicators suggest different levels of risk, the mitigations recommended in the higher level of risk should be implemented, says CDC. The table below, reprinted from CDC’s report, provides CDC’s Indicators and Thresholds for Community Transmission of COVID-219.

 2/ Number of Cases per 100,000 Population. On July 1, a network of research, policy and public health experts convened by Harvard’s Global Health Institute and Edmond J. Safra Center published a Key Metrics for COVID Suppression framework that provides guidance to policy makers and the public on how to target and suppress COVID-19 more effectively across the nation. The targets for new COVID-19 cases per 100,000 people are as follows (these are converted from cases per day to cases per week): a) less than 7 cases: “on track for containment;” b) 7 to 63 cases: “community spread,” rigorous test and trace program advised; c) 70 to 168 cases: “accelerated spread,” stay-at-home orders and/or rigorous test and trace programs advised; and d) 169+: ”tipping point,” stay-at-home orders necessary.  The article is available here: https://globalepidemics.org/key-metrics-for-covid-suppression/

IDPH provides these categories and ratings: 1) “minimal” – fewer than 50 cases per 100,000 in a week; 2) “moderate” – between 50 and 100 cases per week; and 3) “substantial” more than 100 cases per 100,000 in a week.  In its Metrics for School Determination of Community Spread, IDPH says the “target” is 50 cases per week per 100,000 people.

3/ The Test Positivity Rate. In addition, on May 26, Johns Hopkins University & Medicine Coronavirus Resource Center said on its website that “the World Health Organization (WHO) advised governments [on May 15] that before reopening, rates of positivity in testing (i.e., out of all tests conducted, how many came back positive for COVID-19) should remain at 5% or lower for at least 14 days.”  Link: https://coronavirus.jhu.edu/testing/testing-positivity

The Harvard Global Health Institute (HGHI) says, “A network of research, policy, and public health organizations convened by Harvard and MIT called the TTSI Collaborative has agreed on a 3% test positive rate or below as a key indicator of progress towards suppression level testing.”

IDPH says the test positivity target is 5% or less. IDPH provides these categories and ratings: 1) “Minimal” – test positivity rate is equal to or less than 5%: 2) “Moderate” – test positivity rate is between 5% and 8%; and 3) “Substantial” – test positivity rate is over 8%. In its Metrics for School Determination of Community Spread, IDPH says the target is 5%.

4/ Calculations. The RoundTable calculates the number of cases per 100,000 using case data provided by IDPH and assuming that the population of Suburban Cook County is 2.469 million, that the population of Chicago is 2.710 million, and that the population of Illinois is 12.671 million.

5/ Northwestern University COVID-19 Cases. Ike C. Ogbo, Director of Evanston’s Health & Human Services Department, told the RoundTable that the COVID-19 cases reported by the City include cases of faculty, staff, and students attending Northwestern University who live in Evanston. The RoundTable asked the City in an FOIA Request to provide the number of NU students who tested positive for COVID-19 and who live in Evanston. The City refused to provide the data. On Oct. 26, the RoundTable appealed the City’s decision to the Public Access Counselor of the Attorney General’s Office. On Nov. 13, the City filed a response claiming it does not have any records showing the number of NU students who tested positive for COVID-19 and who live in Evanston.

The RoundTable has asked Northwestern University on several occasions to provide information breaking out the number of new COVID-19 cases of its faculty, staff and students by residency in Evanston. NU did not respond.

Larry Gavin

Larry Gavin was a co-founder of the Evanston RoundTable in 1998 and assisted in its conversion to a non-profit in 2021. He has received many journalism awards for his articles on education, housing and...