Revista do Instituto de Medicina Tropical de São Paulo (Jun 2021)

SARS-CoV-2 reinfection: report of two cases in Southeast Brazil

  • Ana Lucia Frugis Yu,
  • Bernadete L. Liphaus,
  • Patrícia Marques Ferreira,
  • Angela Tiemi Tanamachi,
  • Eliana Tiemi Masuda,
  • Camila Martins Trevisan,
  • Pamella Cristina de Carvalho Lucas,
  • Adriana Bugno,
  • Telma Regina Marques Pinto Carvalhanas

DOI
https://doi.org/10.1590/s1678-9946202163050
Journal volume & issue
Vol. 63

Abstract

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ABSTRACT From February 26, 2020 to March 11, 2021, coronavirus disease 2019 (COVID-19) pandemic resulted in 11,439,558 cases and 277,102 deaths in Brazil. Among them, 2,195,130 cases and 63,965 deaths occurred in Sao Paulo State, Southeast Brazil. The recent emergence and rise of new variants of SARS-CoV-2 is of concern because of their higher transmissibility and possible association with more severe disease. Cases of SARS-CoV-2 reinfections have been described since December 2020 in Brazil. This report describes two cases of COVID-19 reinfection, that occurred five and six months after the first infection, during the second wave of the pandemic in Sao Paulo State. Both patients presented mild symptoms in the two COVID-19 episodes and different lineages of SARS-CoV-2 were identified: B.1.1.33 and B.1.1.28 lineages in case 1 and B1.1.128 and P. 2 lineages in case 2.

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