This week, the FDA and CDC authorized Pfizer and Moderna to start administering vaccine boosters that have been reengineered to specifically target the Omicron BA.4 and BA.5 variants that caused this ...

Omicron-targeting COVID-19 boosters are now available, but many are wondering: Should they get the shots immediately or wait to time them closer to the holidays? The short answer is it depends — both ...

The Omicron booster will protect against BA.5 and BA.4 as well as the original coronavirus strain. (Getty Images) COVID-19 booster shots that target the highly contagious Omicron variant — which ...

A new omicron coronavirus subvariant dubbed XBB.1.5 now accounts for an estimated 40.5 percent of all US COVID-19 cases amid a winter wave that is driving up hospitalizations, particularly in places ...

Omicron is mutating in giant leaps, with scientists racing to keep up. Its diversity is challenging vaccine efficacy and complicating treatment. But this fall, broad spectrum bivalent vaccines may ...

BUFFALO, N.Y. – A new University at Buffalo study conducted at John R. Oishei Children’s Hospital is one of the first to reveal that there were fewer cases of multi-system inflammatory syndrome in ...

The latest Omicron subvariant, XBB.1.5, is the most transmissible strain of COVID yet — but does not seem to make people sicker, the World Health Organization has said. XBB.1.5 has spread quickly ...

Let’s clear up one misconception. Viruses aren’t like deodorant on your armpit or a fart in a room. They don’t necessarily automatically get weaker over time. In fact, often it’s quite the opposite.

The omicron variant of the coronavirus that causes COVID-19 that has swept across the U.S. since late last year has taken a grimmer toll than earlier variants, including in people who were vaccinated ...