Most of the cases were likely to involve the Omicron subvariant known as BA.2, the most transmissible version of the virus yet identified.
Source: Record rates of people in England and Wales test positive for COVID
Most of the cases were likely to involve the Omicron subvariant known as BA.2, the most transmissible version of the virus yet identified.
Source: Record rates of people in England and Wales test positive for COVID