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“COVID-19 tests remain a critical tool that can help limit the spread of the virus,” said Illinois Department of Public Health Director Dr. Sameer Vohra in a prepared statement today. “A positive test early in the course of your illness allows you to protect yourself by providing an opportunity to seek treatment earlier, likely reducing severe disease.
“A positive test also allows you to protect your loved ones and community by knowing when to stay home and not spread the disease to others.”
Vohra continued to strongly recommend that all Illinoisans protect themselves by getting fully up-to-date with a COVID-19 bivalent booster shot and a flu shot ahead of the winter respiratory virus season and the holidays.
New COVID-19 cases in Evanston and Illinois
In Illinois, the seven-day average of new cases was 1,926 on Nov. 10, down from 2,173 in the prior week, an 11% decrease.
In Evanston, the seven-day average of new cases was 16.0 on Nov. 9, up from 15.0 in the prior week, a 7% increase.
However, the number of new COVID-19 cases being publicly reported is grossly understated. 
Community risk rating
The Centers for Disease Control and IDPH look at a combination of three metrics to determine whether a community level of risk for COVID-19 is low, medium or high. The graphic in footnote 2 below shows how these metrics are combined. 
To be rated in the low category, an area must have:
less than 200 new COVID-19 cases per 100,000 population in the last seven days;
less than 10 new hospitalizations per 100,000 population due to COVID-19 in the la …