The fall COVID-19 vaccine season is starting slowly for Pfizer, with U.S. sales of its Comirnaty shots sinking 25% after ...

Respiratory virus season is upon the United States as the cold weather months set in, meaning cases of COVID-19, influenza and RSV are set to increase. In its annual outlook report, the Centers for ...

The most widely used COVID-19 vaccines may offer a surprise benefit for some cancer patients by boosting their immune systems ...

There was no room for frivolity during Monday's ABC World News Tonight, as anchor David Muir interrupted the program to ...

Spirit Airlines announced Tuesday that it will be leaving Phoenix Sky Harbor International Airport early next year.