HIGHLIGHTS
SUMMARY
Variants of SARS-CoV-2 in Since the appearance of SARS-CoV-2 in late 2019, many people worldwide have presented with severe pneumonia at hospitals. The world has faced five main variants of SARS-CoV-2 defined as variants of concern (VOCs): variant B.1.17 from the United Kingdom, variant P.1 from Brazil and Japan, variant B1.617.2 from India, and variants B1.351 and B.1.1.529 from South Africa. In May 2021, the WHO proposed an easier way to identify these variants: Alpha, Gamma, Delta, Beta, and . . .
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