RT Journal Article SR Electronic A1 Lake, Noelle T1 Is the Effectiveness of Acellular Pertussis Vaccine in Pre-Adolescents Insufficient? JF MD Conference Express YR 2011 FD SAGE Publications VO 11 IS 12 SP 13 OP 13 DO 10.1177/155989771112008 UL http://mdc.sagepub.com/content/11/12/13.abstract 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.