The prevalence of the British variant
of COVID-19 was 91.6% of overall cases as of April 15 while the
Brazilian variant was 4.5% of the total, according to the latest
snap survey by the Higher Health Institute (ISS) and the health
ministry out Friday.
These figures were up, respectively, from 86.7% and 4.0% in the
previous snap survey on March 18.
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