Vaccine(33) pertussis(24) malaria(18) Bordetella pertussis(12) polio(11) Plasmodium falciparum(11) eradication(9) vaccination(9) Streptococcus pneumoniae(9) Safety(9) Whooping cough(9) pneumococcal conjugate vaccine(8) maternal immunization(7) Epidemiology(7) pertussis vaccine(6) Vaccines(5) serotype 19A(5) public health(5) pneumococcal conjugate vaccines(5) Pertussis toxin(5) Effectiveness(5) Efficacy(5) vaccination coverage(5) Immunity(5) immunogenicity(5) Acellular pertussis vaccine(5) immunization(4) adjuvant(4) Pregnancy(4) Dynamic modeling(4)