Roche launches new test to detect fast spreading Omicron sub-variant
ZURICH (Reuters) – Roche has launched a new PCR test
sub-variant
Omicron sub-variant BA.2 accounts for about 55% of COVID variants in U.S. – CDC
(Reuters) -The U.S. national public health agency said on Tuesday
Omicron sub-variant BA.2 harder to identify, found in 5 African nations -WHO
JOHANNESBURG -The BA.2 sub-variant of Omicron has been found in