Pertussis (Whooping Cough) Clinical Trial
Effectiveness of Adacel Vaccination in Pregnancy at Preventing Pertussis in Infants < 2 Months of Age in the United States (US)
The purpose of this study is to determine the effectiveness of Adacel against pertussis disease in infants < 2 months when administered during pregnancy following the current Advisory Committee on Immunization Practices (ACIP) recommendations, i.e., from 27 to 36 weeks of gestation, and 14 days or more before delivery.
The original study included cases recorded from 01 January 2011 through 31 December 2014, based on retrospective case-control methodology. ;
|Status||Active, not recruiting|
|Start date||June 2, 2021|
|Completion date||September 20, 2021|