Correia AM, Borges V, Isidro J, Lima AR, et al. Potential recurrence of COVID-19 in a healthcare professional: SARS-CoV-2 genome
sequencing confirms contagiousness after re-positivity. Int J Infect Dis 2021 Sep 18. pii: S1201-9712(21)00739.
PMID: 34547489