Researchers examine the infectious periods in vaccinated individuals with SARS-CoV-2, omicron and delta variants
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27 June 2022Researchers examine the infectious periods in vaccinated individuals with SARS-CoV-2, omicron and delta variants
In January 2022, the U.S. shifted its guidelines to recommend isolation of five days from COVID-19 symptom onset, followed by an additional five days of mask wearing. However, the progression of the infection as well as the impact of the different variants and vaccinations on when a person is no longer infectious (culture conversion) has been largely unknown.
