Why XBB.1.5 — the latest Omicron offshoot — could 'outcompete' other COVID-19 subvariants

The Omicron offshoot XBB.1.5 is rising rapidly south of the border and has been reported in 25 countries. Scientists say it could dominate COVID-19 cases, but that doesn't necessarily mean it'll stick around.

from CBC | Health News https://ift.tt/7C3hoOb