Whooping cough cases rise

Wisconsin leads the country in what could be the worst national outbreak of whooping cough in 50 years. Experts are warning that the current regimen of immunizations may not be enough to protect children from the serious and sometimes fatal disease.

By: By Kevin Crowe/I-Newsource/Joanne Faryon/KPBS/Bill Lueders/Wisconsin Center for Investigative Journalism, Superior Telegram