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

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

I've never seen this level of anger at parents who've chosen not to vaccinate their children.

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

What really reinvigorated vaccines was Prevnar, the pneumococcal vaccine that prevents against meningitis and ear infections. Here was the first vaccine to cross the billion-dollar mark.

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

Pneumococcus is a fairly common cause of pneumonia and [raises the] risk of death in older adults.