title: Improved reliability of the primary plate bacitracin test on throat cultures with sulfamethoxazole-trimethoprim blood agar plates.
abstract: The primary plate bacitracin differentiation disk susceptibility test identified 85% of group A streptococci from throat cultures on SXT-BA(CO2) plates within 24 h, as compared to only 26% on a conventional sheep blood agar plate.
mesh_terms: D000362:Agar; D001414:Bacitracin / Q000494:pharmacology; D001769:Blood; D006801:Humans; D008826:Microbial Sensitivity Tests / Q000379:methods*; D010614:Pharynx / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000187:drug effects / Q000302:isolation & purification*; D013420:Sulfamethoxazole; D014295:Trimethoprim
chemical_list: D001414:Bacitracin; D000362:Agar; D014295:Trimethoprim; D013420:Sulfamethoxazole