Paratyphoid FeverTyphoid-Paratyphoid VaccinesTyphoid FeverSalmonella paratyphi APneumococcal InfectionsSalmonella paratyphi BPneumococcal VaccinesSalmonella typhiSalmonella paratyphi CUSSRStreptococcus pneumoniaeVaccines, ConjugateMeningitis, PneumococcalPneumonia, PneumococcalVaccinesSerotypingBacterial VaccinesTravelVaccinationVaccines, InactivatedViral VaccinesMeningococcal VaccinesVaccines, CombinedVaccines, DNASalmonellaVaccines, SyntheticStreptolysinsAntibodies, BacterialAIDS VaccinesIncidenceBacteremiaPopulation SurveillanceImmunization ScheduleNasopharynxVaccines, SubunitImmunity, HerdInfant, NewbornCarrier State