Omicron mutates again: What we know about 3 new subvariants

(NEXSTAR) – The omicron variant of COVID-19 has once again evolved, spawning new versions of itself with slight mutations that could make the virus more transmissible or more dangerous.
With each new subvariant comes a new mixture of letters and numbers. BA.5 is still the dominant variant in the U.S., according to the latest data from the Centers for Disease Control and Prevention, but two new subvariants are rising up the ranks: BQ.1 and BQ.1.1.The main COVID symptoms have changed, resear