Examining the role of different age groups, and of vaccination during the 2012 Minnesota pertussis outbreak. Author(s): Worby CJ, Kenyon C, Lynfield R, Lipsitch M, Goldstein E|Journal: Sci Rep|PMID: 26278132| August 2015 There is limited information on the roles of different age groups during pertussis outbreaks. Little is known about vaccine effectiveness…