Table 2.

List of known COVID-19 variants of concern (6, 55, 59–74, 90–100).

WHO label	Lineage	First identified	Rate of outspread	Monoclonal antibody treatment
Alpha	B.1.1.7	United Kingdom	Much faster; increased number of deaths	Effective
Beta	B.1.351	South Africa	May spread faster	Less effective
	B.1.351.2
	B.1.351.3
Gamma	P.1	Japan/Brazil	Faster	Less effective
Delta	B.1.617.2	India	Much faster; increased number of deaths	Less effective
	B.1.617 or B.1.617.1	India
	AY.1
	AY.2
	AY.3
Epsilon	B.1.427/429	California
Eta	B.1.525
Lota	B.1.526
New beta variant	C.1.2	South Africa Now spreading across Europe and New Zealand	Rapid and fastly increasing.