By Andrew M. Margileth, MD
I have been a pediatrician for more than 70 years, and, having been born in 1920, I am now a centenarian. I have lived through the Great Depression of the 1930s and experienced the horror of World War II, the Korean War and the Vietnam War.
On the upside, I have watched remarkable medical advances, including the eradication of smallpox and development of vaccines to protect children from polio, measles, rubella, mumps, varicella and several other infectious agents.1 I