Download 1. Civil engineers, not vaccines, produced the large gains in life expectancy over the 20th century. Guyer et al. (2000) reviewed a century of annual vital statistics for the U.S. and found that about 90% of the decline in infectious disease mortality among U.S. children occurred before the introduction of mass vaccination campaigns. […] The post Summary of Key Facts: Vaccine Injury in the African American Community appeared first on Children's Health Defense.