21 cases of XBB.1.5. COVID subvariant confirmed in Canada – National
A total of 21 cases of XBB.1.5 COVID subvariant have been detected in Canada as of Wednesday, the country’s public health agency has confirmed. XBB.1.5 is a sub-lineage of the Omicron subvariant XBB and has been deemed by the World Health Organization (WHO) as the “most transmissible” COVID strain so far.The new subvariant has been