Pertussis is a disease that adolescents and adults give to children.
Pneumococcus is a fairly common cause of pneumonia and [raises the] risk of death in older adults.
One bacterium has 2,000 to 6,000 proteins.
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.
People are reticent to give a newborn the hepatitis B vaccine and often delay it.
If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.