Florida reported another 158 cases, bringing its tally to 1,070 even as the state's coronavirus infections have been trending down. Florida leads the country in B.1.1.7 as well as the P.1 variant first seen in Brazil.

Other states dramatically increased their tallies of known variants, with Connecticut adding 111 cases to reach 291 and Georgia adding 101 cases to reach 367. Utah tripled its known case count, reporting 99 new cases to reach 151; Tennessee more than doubled its tally, adding 85 cases to reach 157.

The nation's total of known coronavirus variants has roughly doubled since March 9.

-- Mike Stucka