The Centers for Disease Control and Prevention (CDC) on Tuesday updated its guidelines for COVID-19 isolation to include a section on rapid antigen tests, in which it provides guidance for cases where people wanted to take a test. The updated CDC guidance does not say that isolated people have to test negative before emerging from isolation, but said that if people want to take a test, “the best approach is to use an antigen test towards the end of the 5-day isolation period.” The move comes shortly after the CDC shortened the isolation period from 10 t0 five days for people with confirmed or suspected COVID-19 who are asymptomatic or are recovering from their symptoms. Isolation is followed by five days of wearing a mask when around others, the CDC advised. White House pandemic adviser Dr. Anthony Fauci recently said federal officials were considering amending COVID-19 isolation guidance for people who test positive for …