2:39ABC NewsJuly 12, 2022Omicron subvariant becomes dominant variant in USHealth officials warn that the BA.5 subvariant could be the most transmissible omicron variant yet. Up Next in newsScientists trying to keep up with latest COVID-19 variantJuly 11, 2022Moderna data on booster protection from omicronJune 9, 2022Sandra Day O'Connor, 1st woman on Supreme Court, dies at 93December 1, 2023