Table 1.

Multiple variants that cause COVID-19 globally (Rubin and Longo 2020; Giovanetti et al. 2021)

Country	Variant name	Disease severity	Detected	Mutation
U.K	B.1.1.7	Increased death severity	December 2020	23 mutations
South Africa	B.1.351	No evidence	October 2020	Multiple
Brazil	P.1	Less vulnerable to antibodies	January 2020	17 mutations
India	B.1.671.2 (Delta)	More severe illnesses	October 2020	13 mutations