Article

Two Waves of COVID-19 in Brazilian Cities and Vaccination Impact

2021-12-10

Abstract excerpt

Backgrounds<br>Brazil has suffered two waves of Coronavirus Disease 2019 (COVID-19). The second wave, coinciding with the spread of the Gamma variant, was more severe than the first wave. Studies have not yet reached a conclusion on some issues including the extent of reinfection, the infection fatality rate (IFR), the infection attack rate (IAR) and the effects of the vaccination campaign in Brazil, though it was...

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Literature Corpus work: 95bd3c73-4c9f-5a6c-905f-73f6dba7c79f
DOI: 10.2139/ssrn.3977464

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