Center of Disease Control -- Why to vaccinate your baby
Center of Disease Control -- Diseases that Vaccines can prevent
Immunization Action Coalition
Vaccines.gov
More challenging:
Center of Disease Control -- Vaccines
History of Vaccination
Comparison Search -- Search Pros and Cons of any subject
Idebate.org -- Are Multiple Vaccines safe?
Opposing Viewpoints in Context -- search vaccinations
Procon.org -- Should Children be Vaccinated?
Pros and Cons of Vaccinations -- Loop 21
Pros and Cons of Vaccinations -- Livestrong
CNN: Should I vaccinate my baby?
Healthy Home Economist -- 6 reasons to say no to vaccines
History of the Anti-Vaccine movement
People's Chemist -- Why I don't vaccinate my children