With one Chicago suburb reaching “high” transmission levels, per guidance set by the U.S. Centers for Disease Control and Prevention, what does that mean for residents and which precautions are now encouraged?

The city of Evanston said Thursday its community COVID risk level has increased from “medium” to “high,” the highest level of alert, according to The Centers for Disease Control and Prevention.

Evanston reports that its percentage of hospital beds occupied by COVID patients is also at a “medium” risk level.

At the same time, as of Friday, 23 Illinois counties were at a “medium” level, up from 14 a week ago.

So what does that mean and what does it take to reach each level?

Here’s a look at the guidelines:

The CDC recommends that those looking to…