True Number of Covid-19 Cases in Brazil May Be 26 Times More than Reported, Study Says

For each case notified, there may be from 5 to 26 unnotified cases, many of which are asymptomatic.

RIO DE JANEIRO, BRAZIL - The mortality rate of Covid-19 may be lower than current estimates or even those published in early studies of the disease. The proportion of deaths among people infected with the coronavirus is 0.33 percent among the Rio Grande do Sul population, according to the second round of research that seeks to assess the real spread of the epidemic.

The research project, Epicovid19, is headed by Ufpel (Federal University of Pelotas) and the Rio Grande do Sul government. The tests were conducted on April 27th, in a sample with 4,500 people from Rio Grande . . .

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