Variants of concern, widespread relaxation of COVID-19 appropriate behaviour have kicked off new waves of transmissionIf manuscripts are copied by hand repeatedly, spelling errors are common. Variants were detected in the U.K. and South Africa because genetic studies were systematically done. Brazil variant was discovered in Japan, in travellers from Brazil, and its origin traced back. variant’ for B.1.1.7; ‘South Africa variant’ for B.1.351; and ‘Brazil variant’ for P.1. The South Africa and Brazil variants do not seem to have higher virulence.

Source: The Hindu May 01, 2021 15:24 UTC