One bacterium has 2,000 to 6,000 proteins.

- Paul A. Offit

Flu vaccine is far and away the most underutilized.

- Paul A. Offit

Physicians who care for adults generally don't think about vaccines as much as pediatricians do, and adults think of vaccines as a kid thing.

- Paul A. Offit

When you're in the womb, you're in a sterile environment. When you enter the birth canal and the world, you're not. Very quickly, you have, living on…

- Paul A. Offit

If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

- Paul A. Offit

Today, however, anti-vaccine activists go out of their way to claim that they are not anti-vaccine; they’re pro-vaccine. They just want vaccines to b…

- Paul A. Offit

Pertussis is a disease that adolescents and adults give to children.

- Paul A. Offit

What really reinvigorated vaccines was Prevnar, the pneumococcal vaccine that prevents against meningitis and ear infections. Here was the first vacc…

- Paul A. Offit

People are reticent to give a newborn the hepatitis B vaccine and often delay it.

- Paul A. Offit