Answers:
I would expect that you could find out more information if you did a go through at this site- The Alliance for the Prudent Use of Antibiotics
http://www.tufts.edu/med/apua/
Or check the CDC (Centers for Disease Control) website.
Hope that help!
JAMRDH - a dental hygienist
ALOT, probally close to 1,000,000,000 because remember. Nicole Richie lives contained by this country.