Home/Clinical Laboratory/Microbiology/Quality Control Organisms/Quality Control Organism/Quality Control Organism Kwik-Stik™ Plus Staphylococcus Aureus subspecies Aureus derived from ATCC® 25923™ Tryptic Soy Agar (Soybean Casein Digest Agar), Non-selective Sheep Blood Agar, Standard Methods Agar (Plate Count Agar) or Nutrient Agar 5 Swabs0360X