Biden covid case highlights confusing CDC guidance on ending isolation

With new research showing that people are often infectious for more than five days, the CDC guidance has drawn criticism from some infectious-disease experts. … The CDC guidance “doesn’t make sense,” said Andrew Noymer, an epidemiologist [and associate public health professor] at the University of California at Irvine. “They’re telling people to go back to work while they’re still contagious, essentially.”