How can physicians distinguish between COVID-19 persistence and SARS-CoV-2 reinfection?

By | March 8, 2021
One of the most challenging tasks of physicians has been differentiating between persistent COVID-19 and SARS-CoV-2 reinfection. Recently, a team of researchers analyzed SARS-CoV-2 sequences from the publicly available reports on reinfection and persistence. They further characterized the markers of reinfecting sequences and studied the mutation rate in newly evolved persistent variants.