Estimated proportion of COVID-19 cases during the two weeks preceding

Variants of concern (solid color)

B.1.1.7 - UK strain
B.1.351 - South Africa strain
P.1 - Brazil strain
B.1.427/B.1.429 - California strains

Other variants

B.1.2 - New York strain
All other strains
Sources:
Centers for Disease Control and Prevention