covid transmission risk

As a result of an increase in COVID-19 cases, suburban Cook County has moved to a “medium” risk level for COVID transmission, the second-highest risk level designated by the Centers for Disease Control and Prevention.

Three out of every five people in the U.S. have COVID antibodies from a previous infection, according to a new study from the CDC. This comes as cases continue creeping up across the country and in Illinois and Chicago. Lauren Petty reports.