The study showed that the new variant was associated with 227 deaths in a sample of 54,906 patients  compared with 141 deaths among the same number of patients infected with previous strains. Brazil plunges into crisis with hospitals overwhelmedA second wave of Covid-19 is ripping through Brazil, pushing hospitals and ICUs toward collapse. It is important to stress the risk is higher, but still very low, increasing from 2.5 to 4.1 deaths per 1,000 cases. More than 270,000 people are known to have died due to Covid-19, giving Brazil the second-highest national death toll after the US. While a new variant of the coronavirus spreads throughout the country, many Brazilians continue to defy mask mandates and mobility restrictions following the example of President Jair Bolsonaro, who recently said people need to stop being sissies and whining about the virus.
The study was also reviewed by scientists at the time.
( z0 review :ARG0 ( z1 scientist ) :ARG1 ( z2 study ) :mod ( z3 also ) :time ( z4 time ) )
(z0 / review-01
    :ARG0 (z1 / scientist)
    :ARG1 (z2 / study)
    :mod (z3 / also)
    :time (z4 / time))
The study was also reviewed by scientists at the time .
z0 :mod z3
z0 :ARG1 z2
z0 :ARG0 z1
z0 :time z4