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 ...

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 ...

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 ...

The new COVID-19 variant NB.1.8.1, known as Nimbus, is causing concern due to its subtle symptoms and high transmission rate. According to the World Health Organisation, recognising early signs and ...

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

A new, highly contagious Covid-19 strain has emerged globally as thousands of Australians prepare to travel overseas.