COVID-19 positivity rate for Region 4 in southwest Illinois rises a 6th straight day
The Metro-East Region 4 positivity rate again rose slightly Wednesday to 9.9%, up from 9.8% on Tuesday. The rate now has increased for six consecutive days. The positivity rate is the percentage of coronavirus tests that were positive. The rate the state calculates is based on a week’s worth of tests. It is a metric state officials use to decide whether to impose restrictions on businesses and activities in an effort to prevent the virus from spreading. The state defines the metro-east, or Region 4, as St. Clair, Madison, Clinton, Randolph, Monroe, Bond and Washington counties.