MMR vaccines

Rubella.
http://www.sciencebasedmedicine.org/?p=6207#more-6207

Measles.
USA today... http://www.usatoday.com/news/opinion/letters/2010-07-26-letters26_ST1_N.htm

Public health....
http://www.emedicinehealth.com/measles/article_em.htm

News stories.
http://www.cbc.ca/canada/british-columbia/story/2010/03/30/bc-measles-outbreak.html


Mumps.
Ontario Ministry of Health
http://www.health.gov.on.ca/en/public/programs/mumps/

How to avoid it.
http://www.cps.ca/caringforkids/immunization/MMR.htm


Polio.
Time line and graphs.

http://www.google.ca/search?q=polio+vaccine&hl=en&client=firefox-a&rls=org.mozilla:en-US:official&channel=s&prmd=v&tbs=tl:1&tbo=u&ei=dWxNTJeFIoSclgfP98D3DQ&sa=X&oi=timeline_result&ct=title&resnum=13&ved=0CF4Q5wIwDA