COVID-19 rates are currently declining in the U.S. and New York, but the new XEC variant could change that as cold weather sets in.
XEC is a new Omicron subvariant that first appeared in Germany and is spreading rapidly, now detected in at least 25 U.S. states.
Risk factors play a crucial role in COVID-19 infection; those with immunodeficiencies still face significant risks compared to the generally healthy population.
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