A new, highly infectious subvariant of omicron is raising concerns among scientists and health experts as it spreads in India and other countries, including the U.S. Scientists say the variant Read more
Tag: BA.4
New omicron variant worries experts as it spreads in India, and Moderna says new booster offers better protection against BA.4 and BA.5
A new, highly infectious subvariant of omicron is raising concerns among scientists and health experts as it spreads in India and other countries, including the U.S. Scientists say the variant Read more