Whooping cough - MayoClinic.com

re: "...Some people think of whooping cough as having gone the way of polio — a childhood disease eradicated thanks to a vaccination campaign. But whooping cough hasn't been wiped out. In fact, the number of reported cases in the United States has been increasing since a historic low of approximately 1,000 cases in 1976. In 2004, more than 25,000 cases were reported, the largest number since the 1950s, according to the American Academy of Pediatrics..."...