The flu can definitely set you up for bacterial pneumonias.

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

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

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

For most mothers, vaccinations become a matter of faith - faith in pharmaceutical companies, faith in public health officials - and I think there's been an erosion of faith.

The flu can definitely set you up for bacterial pneumonias.

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