Whooping cough returns to some Canadian regions July 24, 2012Dr. Barry Dworkin Madely Health Headlines Commentary for July 24, 2012 [display_podcast] Source: Whooping cough makes deadly return across Canada Related posts: Whooping cough outbreaks can be reduced with adult booster shots Lack of buy-in for infant and toddler flu shots Measles cases continue to increase in US hitting 25-year high Ottawa school has greatest philosophical vaccine exemption rate. The California policy change to eliminate it reversed this outcome in their schools. pertussisWhooping cough