A painful sore throat is a signature symptom of an Omicron subvariant called NB.1.8.1, or Nimbus. It now makes up about a ...

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 ...

It's related to the omicron variant and is spreading in the U.S. now, causing more than 40% of Covid-19 cases.

Investigators concluded that individuals with comorbidities experienced higher risks of severe COVID-19 outcomes during the ...

A new COVID-19 variant is spreading across the United States, but experts warn that this variant has a new painful symptom.

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

Nimbus is another Omicron subvariant that is known for causing typical COVID symptoms, including an extremely sore throat.

Two new Omicron subvariants are gaining ground in the U.S. as some people report experiencing respiratory symptoms like ...

Mr Kwabena Mintah Akandoh, the Minister of Health, has urged Ghanaians not to panic as there is robust surveillance system in ...

A new COVID variant is spreading quickly in the U.S. and bringing with it a painful new symptom.

A new multi-state study led by the Centers for Disease Control and Prevention's (CDC) VISION Network – including Regenstrief ...

The health ministry has urged caution as NB.1.8.1 and LF.7 variants circulate, but scientists say disease severity remains ...