Beginning Friday, anyone in Los Angeles County attending a mega-event with more than 10,000 people will be required to wear a mask regardless of whether or not they are vaccinated.
Tina Patel reports.
Chicago's New Indoor Mask Mandate Begins; Cook County To Follow Suit Monday
As the City Of Chicago's indoor mask mandate took effect on Friday, the same requirement will now be in effect for the Cook County..
CBS 2 Chicago