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

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 ...

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.

Scientists say the current COVID vaccine is effective against the Nimbus variant and is considered a “variant under ...

A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this ...

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 ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

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

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

However, the COVID-19 virus continues to change and mutate, creating new variants that spread differently and cause different symptoms.