Omicron sub-variants BA.4 & BA.5 yet to be detected in Vietnam
Vietnam has yet to discover the emergence of BA.4 and BA.5 – the two sublineages of the Omicron variant following genome sequencing, the Ministry of Health said on April 12 evening.
Vietnam has yet to discover the emergence of BA.4 and BA.5 – the two sublineages of the Omicron variant following genome sequencing, the Ministry of Health said on April 12 evening.