PT - JOURNAL ARTICLE AU - Lake, Noelle ED - Witt, Maxwell TI - Is the Effectiveness of Acellular Pertussis Vaccine in Pre-Adolescents Insufficient? DP - 2011 Dec 01 TA - MD Conference Express PG - 13--13 VI - 11 IP - 12 4099 - http://mdc.sagepub.com/content/11/12/13.short 4100 - http://mdc.sagepub.com/content/11/12/13.full AB - A retrospective, single-center chart review of the 2010 Bordetella pertussis outbreak in California, USA found that a time interval greater than 3 year since vaccination with acellular pertussis correlated with increased risk for acquiring the disease.