COVID-19 update May 24: New case in Evanston, 933 in the state

Data released by the town of Evanston today indicates that 53,747 Evanston residents aged 12 or older have received at least one dose of a vaccine to protect against COVID-19, and 43,564 residents have been fully vaccinated.

Data shows that 2,061 residents aged 12, 13, 14 or 15 received a dose of the vaccine.

The seven-day average of new cases for the state is the lowest since July 24. Evanston had only one new case today; his test positivity rate fell to 0.3%.

The state is on track to meet all the parameters necessary to move to phase 5 of the plan to reopen the state on June 11. Phase 5 provides for normal business operations without pandemic mitigation.

Risk of community spread

The charts in the box above show that the seven-day average of new cases in Evanston, suburban Cook County, Chicago and the state continues to decline.

For benchmarks used to assess the risk of spread, see footnotes 1 to 4.

Evanston – COVID

The city reported 1 new case of COVID-19 from an Evanston resident today, up from 1 yesterday and 5 on Saturday.

The average number of new cases per day over the past seven days is 2.6, down from the seven-day average of 4.1 on May 17.

In the past seven days, there have been a total of 18 new cases of COVID-19 from Evanstonians, which equates to about 24 new cases per 100,000 people over the seven-day period.

The positive rate for Evanston’s cases for the past seven days is 0.3%.

There were a total of 4,630 cases of COVID-19 from Evanston residents during the pandemic, of which 137 are active.

No Evanstonian has died from COVID-19 since May 6. The number of deaths from COVID-19 is 117.

Northwestern University Impact. Northwestern University has published data on its website indicating that between May 17 and 23, there was 1 new confirmed case of COVID-19 among faculty, staff and students at the NU. [If the faculty, staff or students resides in Evanston, the case would be included in the City’s numbers. The numbers reported by NU, though, include people who live outside of Evanston.] [5]

Illinois – COVID-19

In the state, 933 new cases of COVID-19 were reported today, up from 943 yesterday.

Statewide, the average number of new cases per day over the past seven days is 1,318, the lowest seven-day average this year. The seven-day average a week ago, May 17, was 1,546, so today’s number is down 15%. The downward trend continues. An accompanying chart shows the trend.

In the seven days ending May 24, the number of new cases per 100,000 people in the state was 73, up from 85 a week ago.

The seven-day case positivity rate for the state today is 2.2% and the test positivity rate is 2.7%.

Statewide, the number of hospitalizations due to COVID-19 was 1,393 as of midnight on May 23.

The IDPH said today that trends in new hospital admissions and the total number of patients hospitalized due to COVID-19 have “declined” over the past 28 days.

The number of patients using intensive care beds is 334, up from 227 as of March 15. The number of patients on ventilators is 180, up from 95 on March 15.

Statewide, there have been 10 deaths from COVID-19 in the past 24 hours, bringing the total to 22,663. The IDPH said today there were had “no significant change” in the death rate over the past 28 days.

In the past seven days, the death toll in the state is 21, 28, 42, 21, 43, 24 and 10 today. The seven-day average is 27.

Variants in Illinois

The IDPH reports a combined total of 7,753 confirmed cases of COVID-19 variants in the state. The combined total of variants is up 18% from a week ago.

Vaccinations in the State

A total of 10,940,769 doses of vaccine have been administered in Illinois. As of May 24, 82.23% of Illinois residents aged 65 and over had received at least one dose of a COVID-19 vaccine; and 59.93% of Illinois residents aged 16 and over have received at least one dose of a Covid-19 vaccine. These percentages continue to increase very slowly.


1 / On February 12, the CDC released an operational strategy for K-12 schools. As part of this strategy, the report says, “The 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 people in the past 7 days; and 2) the percentage of nucleic acid amplification tests (NAAT), including RT-PCR tests that are positive in the past 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 (eg, county) and not in the schools themselves. The CDC provides a graph to assess whether the risk of transmission is low, moderate, substantial, or high. The CDC recommends different types of mitigation depending on the level of risk. If the two indicators suggest different levels of risk, the recommended mitigations for the higher risk level should be implemented, says the CDC. The table below, reprinted from the CDC report, provides the CDC’s indicators and thresholds for community transmission of COVID-219.

CDC guidelines are available here: Operational strategy for K-12 schools through progressive prevention | CDC

2 / Number of cases per 100,000 inhabitants. On July 1, 2020, a network of research, policy and public health experts brought together by the Global Health Institute at Harvard and the Edmond J. Center to remove COVID-19 more effectively across the country. The targets for new COVID-19 cases per 100,000 people are as follows (they are converted from cases per day to cases per week): a) less than 7 cases: “under containment”; b) 7 to 63 cases: “community spread”, rigorous testing and traceability program advised; c) 70 to 168 cases: “accelerated spread”, stay-at-home orders and / or rigorous testing and traceability programs advised; and d) 169+: “tipping point”, home controls required. The article is available here:

The IDPH provides these categories and ratings: 1) “minimal” – less than 50 cases per 100,000 in a week; 2) “moderate” – between 50 and 100 cases per week; and 3) “substantial” over 100 cases per 100,000 in one week. In its measurements for the school determination of community spread, the IDPH indicates that the “target” is 50 cases per week per 100,000 population.

3 / The positivity rate of the test. Additionally, on May 26, 2020, the Johns Hopkins University Coronavirus Resource Center and Medicine stated on its website that “The World Health Organization (WHO) has advised [on May 15, 2020] that prior to reopening, testing positivity rates (that is, out of all tests performed, how many came back positive for COVID-19) should remain at 5% or less for at least 14 days. »Connect:

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 to a positive test rate of 3% or less as a key indicator of progress towards elimination. level test. “

The IDPH indicates that the test positivity target is 5% or less. The IDPH provides these categories and ratings: 1) “Minimal” – the test positivity rate is 5% or less; 2) “Moderate” – the test positivity rate is between 5% and 8%; and 3) “substantial” – the test positivity rate is greater than 8%. In its measurements for school determination of community spread, the IDPH indicates that the target is 5%.

4 / Calculations. the Round table calculates the number of cases per 100,000 using case data provided by the HDI and assuming the population of suburban Cook County is 2.469 million, the population of Chicago is 2.710 million, and the population of Illinois is 12.671 million.

5 / Northwestern University COVID-19 case. Ike C. Ogbo, director of Evanston’s health and human services department, told the Round table that the city’s reported COVID-19 cases include cases of professors, staff and students attending Northwestern University who live in Evanston. the Round table asked the city in a FOIA request to provide the number of NU students who have tested positive for COVID-19 and who live in Evanston. The City refused to provide the data. October 26, Round table appealed the city’s decision to the public access adviser at the attorney general’s office. On November 13, 2020, the city filed a response saying it had no record indicating the number of NU students who tested positive for COVID-19 and who live in Evanston.

the Round table has repeatedly asked Northwestern University to provide information on the number of new COVID-19 cases from its faculty, staff and students by residence in Evanston. NU did not respond.

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About Myra R.

Myra R.

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