Microbiology Which component of Strep. Pyogenes has cross reactivity to Synovium of Human tissues? A Capsular Hyaluronic Acid B Cell wall protein C Group A carbohydrate Antigen D Peptidoglycan 💡 Explanation Which component of Strep. Pyogenes has cross reactivity to Synovium of Human tissues? ✓ Correct Answer: A. Capsular Hyaluronic Acid