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 des…
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