Polio Pioneers
The Polio Pioneers have been described as “the largest clinical trial in history,” proving that the Salk polio vaccine was safe.
development
Gregory A. Poland on Vaccines
Gregory Poland, MD is well known for many things that he has done in his long career as a pediatric infectious disease specialist and vaccinologist and for being misquoted by anti-vaccine groups.
Efficacy vs Effectiveness of Vaccines
Unlike vaccine efficacy, vaccine effectiveness is used for studies using real world conditions.
Effectiveness Rates of Vaccines
Vaccines work very well, with most vaccines having over 90 to 95% effectiveness.