The fall COVID-19 vaccine season is starting slowly for Pfizer, with U.S. sales of its Comirnaty shots sinking 25% after federal regulators narrowed recommendations on who should get them.

A study published Oct. 30 by the American Heart Association found that people have an elevated risk of heart attack and stroke following flu and COVID-19 infection.

It can be easy to forget pain that is no longer present in our lives, writes Jodie Noel Vinson, of the four-year battle with ...

The study, published in the journal Nature, showed the jabs provided an immunity boost that helped extend survival for certain skin and lung cancers.

Traveling across state lines in search of an available shot. Scrambling to get a doctor’s prescription. Showing up for a pharmacy vaccination appointment only to be denied. Those are some of the ...

Covid-era school closures caused the U.S. significant economic and educational loss while being less effective than other ...