bacterial virulence 24 nonhuman 24 Article 21 human 12 virulence factor 12 antibiotic resistance 11 bacterial genome 11 bacterial strain 11 controlled study 11 bacterium isolate 9 Humans 7 bacterial gene 6 chloramphenicol 6 genetics 6 tetracycline 6 antibiotic sensitivity 5 bacterial growth 5 gene sequence 5 horizontal gene transfer 5 phylogeny 5 whole genome sequencing 5 Biofilms 4 Escherichia coli 4 Staphylococcus aureus 4 Virulence Factors 4 antibiotic agent 4 bacterial protein 4 bacterium identification 4 bacterium isolation 4 biofilm 4