Omicron XBB.1.5 does not have mutations known to make people sicker, WHO says
2023-01-12 10:30:58 source：CNBC
January 11, 2023
The omicron XBB.1.5 subvariant does not have any mutations known to make people sicker when they catch the virus, according to a World Health Organization risk assessment published Wednesday.
But the WHO noted in the report that it doesn’t have any real-world data on how XBB.1.5 is affecting patients’ health, so it cannot draw any conclusions at this time about the severity of the subvariant.
The WHO said XBB.1.5 is one of the Covid subvariants that is most adept at dodging immunity from vaccination or infection. It is just as immune evasive as another subvariant in its family, XBB.1, which was the Covid variant that best dodged antibodies that block infections.
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