If you're not over 65 or have certain risk factors, it might be hard to get one but not necessarily impossible. Here's what to know about the confusing and fast-changing rules for getting the shot.

According to pharmacists, insurance groups and trade organizations, it will be more difficult for younger, otherwise healthy people to get a COVID-19 vaccine ahead of the winter respiratory virus season,

The XFG COVID-19 variant, aka "Stratus," is spreading rapidly in the U.S. as cases climb. Here's what to know about symptoms of the newly dominant strain.

Each fall, updated versions of the COVID-19 vaccines come out around the same time as the annual flu shot. And just like the flu shot, these updated COVID vaccines are formulated to protect against virus strains that people are more likely to encounter in the coming months, as opposed to strains that were rampant the year prior.

The agency plans to highlight possible links between the shots and accounts of deaths involving children and birth defects to an influential C.D.C. panel meeting next week.

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

NC state health director issues standing orders that ease access barriers to COVID boosters for many residents

Though the FDA narrowed criteria for the shots, many people still want them, to avoid illness and protect vulnerable family members. Some are turned down at the pharmacy or have to jump through hoops.

Dormant cancer cells pose a unique challenge to doctors because they can remain invisible in tissues for decades. According to the study, viral infections may disrupt the body’s delicate immune balance and create an inflammatory environment that “wakes up” these hidden threats.