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Recent Trends

The top chart shows that the weekly number of new cases per 100,000 people in Evanston, suburban Cook County, Chicago, and the State are each at or below 15.  While the number of cases are moving up from the prior week in two regions, each region is still below the weekly number or new cases per 100,000 people as of June 10, the day the State moved to Phase V of the State’s Reopening Plan.

The lower chart shows that the test-positivity rates in each region are at or below 0.9%.  The low rates indicate that the amount of testing in each region is adequate. See Footnotes 1 and 2.

The number of people in the State who are vaccinated continues to grow, but at a slow pace. As of June 30, 69.1% of Illinois residents 12 and older had at least one dose of a vaccine; 53.7% were fully vaccinated. These percentages include people who reside in Illinois and have been vaccinated in Illinois or in other states.  (Source: U.S. Centers for Disease Control and Prevention and the Illinois Department of Public Health.)

As of June 24, 87% of Evanston residents 12 and older had received at least one dose of a vaccine; 75% were fully vaccinated. (Source: City of Evanston.)

Evanston – COVID

Evanston reported no new COVID-19 cases of Evanston residents today, the fourth day in a row in which there were no new cases reported.   

There has been one new Covid-19 case of an Evanstonian in the last seven days. There has been a total of 1,678 tests administered to Evanston residents in the last seven days.

There has been a total of 4,654 COVID-19 cases of Evanston residents during the pandemic, three of which are active. 

No Evanstonian has died from COVID-19 since May 31. The number of deaths due to COVID-19 is 118.

Impact of Northwestern University. Northwestern University has posted data on its website reporting that between June 18 and June 24, there were two new confirmed COVID-19 case of an NU faculty member, staff member or student. If the faculty member, staff member or student resides in Evanston, the case or cases would be included in the City’s numbers.  


1/ The State moved to Phase 5 of the Restore Illinois Plan on June 11. Going forward, the RoundTable plans to cover COVID-19 metrics on a more limited basis. Specifically, we plan to provide charts showing: 1) the trends in the number of new COVID-19 cases per 100,000 people in two recent seven-day periods for Evanston, Chicago, Suburban Cook County. The chart also shows the weekly numbers of new cases for each region as of  June 10 as a baseline to guage whether cases are going up since the move to Phase 5; and, 2) the most recent test positivity rates for these areas.  

As discussed in footnote 2 below, the CDC recommends that these two measures be used to determine the level of risk of transmission.  If we see a surge in new cases or in the test positivity rates, we will consider covering additional metrics.

We will also report the most recent percentages of vaccinated people, 12 years and older, in Evanston and Illinois.

2/ 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 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 COVID tests during the last seven days that were positive. The CDC provides a chart to assess whether the risk of transmission is low, moderate, substantial, or high. If the two indicators suggest different levels of risk, CDC says the higher level of risk should be used. The table below, reprinted from CDC’s report, provides CDC’s Indicators and Thresholds for Community Transmission of COVID-219.

CDC’s guidelines are available here: Operational Strategy for K-12 Schools through Phased Prevention | CDC


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