Topics: COVID-19

Omicron sub-variant BA.4, BA.5 found in Vietnam Health

Omicron sub-variant BA.4, BA.5 found in Vietnam

The SARS-CoV-2 Omicron sub-lineages BA.4 and BA.5 have entered Vietnam and may overwhelm the old sub-lineage BA.2, the dominant variant of concern in the country, according to Prof. Dr. Phan Trong Lan, Director of the Health Ministry’s Department of Preventive Medicine.