From the UNMC Global Center for Health Security on Twitter with insights from James Lawler, MD, co-executive director of the global center (@UNMC_GCHS):
"With BA.2 now the prominent strain in the U.S., Dr. James Lawler reviews BA.2 surge data from South Korea & the UK and explains why the U.S. may suffer higher fatality rates if faced with a similar surge of a 'milder' variant. #VaccinesSaveLives"
Original source can be found here.