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January 10th of this month, Japan found a mutation of B1.1.28 in the blood sample gene analysis of four Brazilian tourists.
So far, after the discovery of new variants of the novel coronavirus in the United Kingdom and South Africa, three variants of the novel coronavirus have been found in the world.
It is not yet certain whether the COVID-19 variant from Brazil is more harmful to human beings, but based on the current situation that the new variant has caused a rapid increase in the number of infections in some parts of Brazil, the researchers concluded that the new variant is more infectious.