Pathogenic Bacteria E. coli Antibiotic Resistance Listeria Monocytogenes Oral Health Pathogens Fusobacterium Nucleatum Virulence Factors Streptococcus pyogenes Bordetella pertussis Skin Microbiome Dust Mites Listeria monocytogenes Legionella Infection Risks Escherichia coli Enterococcus Household Items Body Odor Surface Contamination Skin Health Bifidobacterium Pseudomonas aeruginosa Gram-negative Bacteria Saliva Lactobacillus Fusobacterium