In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

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A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

More than 20% of children and young people in Aotearoa New Zealand are experiencing significant persistent health symptoms ...

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent right now, Subhash Verma, microbiology and immunology professor at the ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

From a persistent sore throat that feels like razor blades to severe muscle aches, discover some unusual signs of the new COVID-19 variant NB.1.8.1 spreading globally.

IRISH people are being warned about a new strain of Covid-19 as cases rise in the country. The two new strains of the ...

The Stratus COVID-19 variant, which includes the XFG and XFG.3 strains, currently accounts for around 30 per cent of COVID-19 ...

Spikevax is now approved for all adults aged 65 years and older, and individuals aged 6 months through 64 years at increased risk for COVID-19 disease ...

Digestive issues like IBS and functional dyspepsia rose among U.S. adults during the COVID-19 pandemic.   Researchers ...