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