children routinely receive up to 20 courses of antibiotics before they reach adulthood
... because I don't recall having any antibiotics as a child (although my memory gets pretty fuzzy before 5ish). As far as I know, I've had one course ever, 6 years ago when I had a nasty bacterial chest infection. So, that means it's poll time !
Edit: Apparently can't add a poll after the entry has been posted. Bah. Poll is now here.