It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

The Nimbus variant, or NB.1.8.1, is a strain of SARS-CoV-2, which causes COVID-19. Alongside the usual symptoms of COVID-19, it can cause a razor blade sensation in the throat and gastrointestinal ...

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID.That's because the variant — NB.1.8.1. or “Nimbus” — ...

For patients facing a rare disease, a genetic test isn’t the end of their story; it’s often just the beginning. A test result may point to a diagnosis, or it may reveal a genetic variant that we have ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A new coronavirus variant is ...

WASHINGTON (AP) — Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to ...

A new COVID-19 variant that was unheard of just months ago is now projected to be the second-most common strain in the United States. Variant NB.1.8.1 was first detected in China in January but ...

Flu season is among us, and a new strain has emerged as a major threat. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising global cases, including in the U.S ...

The Stratus COVID-19 variant has been fueling a rise in cases across the country. Stratus is currently the dominant variant in the U.S. This variant is slightly more infectious than previous variants.