Health and Human Services Secretary Robert F. Kennedy Jr. is ushering in a new era of COVID-19 vaccine guidance in the U.S.

Several countries, including China, Singapore, Taiwan, Hong Kong, and specific regions of the United States, are experiencing ...

A highly transmissible COVID-19 variant behind a rise in cases in China has made its way to the United States, and now ...

A new Covid-19 variant, NB.1.81, initially detected in international travelers, has surfaced in the US, raising concerns ...

While the WHO points out that NB.1.8.1 is “growing rapidly compared to co-circulating variants,” the agency also notes that ...

A fast-spreading Covid-19 variant from China, NB.1.8.1, has reached the US. Though less deadly, experts warn it's more contagious and may evade vaccine protection.

As the Trump administration moves to limit COVID booster vaccines for some, here's what to know about the latest variant NB.1 ...

Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world, ...

A new and highly contagious strain of COVID-19, known as NB.1.8.1 ... Before appearing in the U.S., this variant was responsible for a surge in hospitalizations across China.