New COVID variant spreads across US as CDC raises concerns: 'Viral evolution'
NEWYou can now listen to Fox News articles! A new variant of…
Flu by state: Where this season’s highly contagious variant is spreading the most
New flu strain emerging as a severe health threat Fox News senior…
‘Aggressive’ new flu variant sweeps globe as doctors warn of severe symptoms
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New COVID variant may cause 'razor blade throat' — here's what to know
NEWYou can now listen to Fox News articles! A new COVID-19 variant…