title: Decrease in virulence of some well characterized pathogenic bacterial strains when grown in presence of infection.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D003016:Clostridium perfringens / Q000187:drug effects / Q000472:pathogenicity*; D003114:Colony-Forming Units Assay; D004926:Escherichia coli / Q000187:drug effects / Q000472:pathogenicity*; D007372:Interferons / Q000494:pharmacology*; D051379:Mice; D012486:Salmonella typhimurium / Q000187:drug effects / Q000472:pathogenicity*
chemical_list: D007372:Interferons