Omicron Sub Variant Usa. Kp.2, which is an offshoot of the omicron variant, currently accounts for an estimated 28.2% of covid cases after making up just 1.4% of cases in mid march,. Cdc data shows eg.5 makes up an estimated 17.3% of cases.

Cdc data shows eg.5 makes up an estimated 17.3% of cases. A new version of omicron is taking hold in the u.s., according to new data from the centers of disease control and prevention.