New @CDCMMWR details a #COVID19 outbreak among attendees of classes at a Chicago gym where many attendees participated in classes while ill or unknowi…


New @CDCMMWR details a #COVID19 outbreak among attendees of classes at a Chicago gym where many attendees participated in classes while ill or unknowingly infectious and didn’t wear masks consistently during exercise. More: http://bit.ly/MMWR22421b

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