How 3 vaccines can save us $63 billion, in an infographic.

Of course, four could save us more. And five, well that means even more are alive.

Six, seven, eleven? Polio goes to heaven.

Ignorance and fear drive some immunizations to nil, celebrities and parents buck the herd and kill.

(via Co.Design)

Rhyming, saving money, and real science. What more can you want from vaccines?