Vitamin D deficiency still contributes to COVID-19 severity in the post-Omicron era, though risks are reduced compared to ...

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 ...

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

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

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.

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

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

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.

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

Subvariants—XFG, XFG.3. JN.1—have been confirmed in swab samples of infected persons through whole-genome sequencing.