El presidente del Instituto de Medicina (IOM), Harvey V. Fineberg dijo: “Vaccines are among the greatest public health accomplishments of the past century”[1] (Immunization safety XI). Richard B. Johnston, Jr., presidente y director de la FundaciónMarch of Dimes Birth Defects afirmó: “Few would question the profound importance of vaccines to public health”[2] (Adverse events V). […]