Immunize!

I saw this on the lovable Orac's webamablog, a parody of the song "Billionare" about vaccination. Watch. It's hillarious.



Almost as good is the blurb on the creater's YouTube channel:

I'm a hospital physician and purveyor of educational medical satire. On staff at a major academic institution, I strive to practice only evidence-based comedy...everything on this site is clinically proven to be (slightly) funnier than placebo.

You can check out the creator's web page here.