Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.

According to a Johns Hopkins report, several virological, behavioural, and environmental factors drive summer Covid-19 waves.

We know, we know – it’s only been about a month since we introduced you to the Nimbus variant of COVID-19, but there’s yet ...

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 ...

The Stratus variant of Covid, formerly known as XFG, is concerning health officials due to its ability to reinfect people ...

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

“One of the most noticeable symptoms of the Stratus variant is hoarseness, which includes a scratchy or raspy voice," ...

A summer wave of Covid-19 is hitting parts of the US, driven by the Nimbus variant. Here's what to know about symptoms, its spread, and how to stay safe.

CHICOPEE, Mass. (WWLP) – Doctors are warning of two new COVID-19 strains this summer that are currently going around.

As levels of the latest Covid-19 variant rise across the globe, experts have revealed key symptoms of the virus ...

Covid has caused serious amounts of chronic illness. Research advances may help not only people facing chronic illnesses ...

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