COVID-19 cases are rising in more than half of states. Is the US in a summer wave? What to know about COVID trends and ...

XFG (Stratus) is the latest subvariant of Omicron that is gaining momentum in the summer surge of the pandemic.

The variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries. Experts in Europe are predicting a possible increase in cases there.

As summer continues, something to watch out for is the highly contagious, new strain of COVID-19 called NB.1.8.1 or 'nimbus.' ...

COVID-19 cases are rising nationwide, following a recurring trend of summer surges since 2020. Here's what to know in ...

COVID-19 trends also depend on the emergence and spread of new variants. The latest, including NB.1.8.1, are getting better ...

As COVID-19 surges nationwide, the seriousness of the virus's latest wave is reflected in headlines from cities and states across the country.

The variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries. Experts in Europe are predicting a possible increase in cases there.