Relapse of clinical symptoms of COVID-19 or probable reinfection in a laboratory professional: a case report from Northeast Brazil. Research, Society and Development, [S. l.], v. 10, n. 5, p. e13210514730, 2021. DOI: 10.33448/rsd-v10i5.14730. Disponível em: https://rsdjournal.org/rsd/article/view/14730. Acesso em: 6 dec. 2025.