Microbiology Prozone phenomenon is due to-a) Excess antigenb) Excess antibodyc) Hyperimmune reactiond) Disproportionate antigen-antibody levels A bd B d C ab D ac 💡 Explanation Prozone phenomenon is due to-a) Excess antigenb) Excess antibodyc) Hyperimmune reactiond) Disproportionate antigen-antibody levels ✓ Correct Answer: A. bd