Study to Evaluate the Immune Response After Booster Vaccination With Tdap-IPV Vaccine (Against Tetanus, Diphtheria, Pertussis and Poliomyelitis) in Children Who Received Different Pertussis Primary Vaccine Regimens in Republic of South Africa

Inclusion Criteria: * Born in 2007 to 2011 in the RSA * Received primary pertussis vaccination and the toddler booster in the RSA * Assent form has been signed and dated by the participant, and informed consent form (ICF) has been signed and dated by the parent(s) or another legal guardian and by an independent witness, if required by local regulations * Participants and parent/legal guardian are able to attend all scheduled visits and to comply with all trial procedures * Valid clinical record of primary vaccination with DTaP/DTwP vaccines immunization history from 2007 through 2011, either by hand-held (Road-to-Health Card) or immunization clinical records * For Groups 6 and 7: children infected with perinatally acquired HIV infection currently under care who received either an all wP or all aP priming regimen * For Groups 6 and 7: be on highly active antiretroviral therapy (HAART) therapy and have known CD4 cell counts \> 200 cells/µL Exclusion Criteria: * Participation in the 4 weeks preceding the vaccination or planned participation during the present trial period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure * Receipt of any vaccine in the 4 weeks preceding the trial vaccination or planned receipt of any vaccine in the 4 weeks following the trial vaccination except for influenza * Receipt of additional pertussis vaccination doses inconsistent with pertussis vaccination schedule in the RSA * Previous confirmed diagnosis …