As Diseases Make Comeback, Why Aren't All Kids Vaccinated? The measles, whooping cough and even polio have returned. Why? Because of a new breed of vaccine deniers who are ignoring campaigns for awareness, and ultimately might live shorter—not longer—lives. By Glenn Harlan Reynolds Illustration by Koren Shadmi Published in the August 2008 issue. Progress is easy to take for granted. When I was a child in the ’60s, polio was history, measles was on the way out, and diphtheria and whooping cough were maladies out of old movies. Now these contagious diseases are making a comeback. Take measles, for instance....