The Latest Breaking News from Paul Offit

When public health specialists look at the annual case counts, some see a trend that raises questions about how realistic the goal of a polio-free world might be.

The pandemic's formal end on May 11 marks neither victory nor peace: It's a cessation of hostilities with a dangerous virus that is still very much with us.

Public health experts warned from the beginning of the COVID-19 pandemic that the disease was “not like the flu,” resulting in far more deaths and hospitalizations each year.

FDA expert committee needs more data to decide when to give out COVID boosters — and who needs them most

At a meeting to simplify the nation’s COVID-19 vaccination policy, the FDA’s panel of experts could agree on only one thing: Information is woefully lacking about how often different groups of Americans need to be vaccinated. That data gap has contributed to widespread skepticism, undervaccination, and ultimately unnecessary deaths from…

The U.S. is poised to make COVID-19 vaccinations more like a yearly flu shot

The new approach would simplify vaccination guidance so that, every fall, people would get a new shot, updated to try to match whatever variant is dominant.

There are ways to treat the infection and protect yourself and your family from getting it in the first place. Here’s what you need to know.

PHILADELPHIA -- Philadelphia’s most prominent immunization expert isn’t planning to get the latest COVID-19 booster shot, and doesn’t think most others need to either.

A federally funded study has found a possible link between aluminum in some childhood vaccines and persistent asthma, but experts say the study has several shortcomings

Updated COVID boosters are now available for anyone age 12 or older. The CDC is urging anyone who is eligible to sign up but some vaccine experts say some people might want to wait.