Oregon and California, among the most cautious of states early in the pandemic, have surprised health officials elsewhere by breaking with Centers for Disease Control and Prevention guidelines and telling infected workers and schoolchildren that as long as they have no symptoms, they are generally free to go about their lives.
Children who tested positive for COVID-19 in 2022 were contagious for a median of 3 days, regardless of vaccination status, suggesting that 5-day school isolation policies are sufficient amid Omicron variant predominance, University of Southern California (USC) and Stanford University researchers report today in JAMA Pediatrics.
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