Nathan E Botts / Thursday, March 24, 2016 / Categories: Vaccines and Immunizations Waning Whooping Cough Immunity Blamed in Outbreaks Teens have very little protection just a few years after vaccination, study finds Source: HealthDayLink to original article Previous Article Scientists Piggyback Experimental HIV Vaccine on Cold Viruses Next Article Zika Vaccine Efforts Get Boost from Prior Research Print 312 Rate this article: No rating 0Upvote 0Downvote Please login or register to post comments.