World Health Organization (WHO) emergencies programme COVID-19 technical lead Maria Van Kerkhove said Wednesday that they were keeping an eye on the new XBB.1.5 subvariant, saying it has a “growth advantage” and was “the most transmissible subvariant that has been detected yet.” She added the organization doesn’t have an indication the severity has changed.
- At least 12 cases of XBB 1.5 COVID-19 subvariant now confirmed in B.C.
- 21 cases of XBB.1.5. COVID subvariant confirmed in Canada
- XBB1.5: Here’s what we know about the ‘most transmissible’ COVID strain yet