As the number of norovirus cases rise and hantavirus lingers on cruise ships, health officials advise passengers to take precautionary measures to avoid sickness.
Chicago could issue a mask advisory if COVID levels rise, Mayor Lori Lightfoot said Thursday.
The state of Illinois is changing its COVID-19 requirements at healthcare facilities, Governor JB Pritzker announced Monday.
Chicago area public health officials have urged people to put masks back on in certain situations.
Evanston Township High School has reinstated its indoor mask mandate for all students and staff after public health officials raised the suburb's COVID transmission risk to "high."
Despite the elevated risk, the city is not bringing back mask mandates.