RIO DE JANEIRO, BRAZIL - The severity of Covid-19 infection, caused by new variants of the SARS-CoV-2 virus (e.g., Gamma), was not the leading cause of death in patients admitted to a Brazilian hospital with the disease, but rather inequality between regions and deficiencies in health care, according to an analysis by Imperial College London.
An international team of researchers tracked data on nearly half a million unvaccinated Brazilians hospitalized with Covid-19 from January 2020 to July 2021 in 14 capital cities across the country.
"We used data from SIVEP-Gripe, a surveillance system of the . . .