Streptococcus pneumoniae(14) Salmonella(12) Salmonella Typhimurium(8) virulence(7) MLST(6) Shigella flexneri(4) serotype(4) COVID-19(4) PFGE(4) Salmonella enterica(3) detection(3) MLVA(3) Antibiotic resistance(3) SARS-CoV-2(3) MDR(3) Shigella(3) Capsule(3) antimicrobial resistance(3) virulence factors(3) colonization(3) vaccine vector(2) Gene Expression(2) Staphylococcus aureus(2) pneumococcus(2) Invasion(2) Whole genome sequencing(2) Nonencapsulated(2) Prevalence(2) Pneumonia(2) Th2 immunity(2)