Microbiology Phage typing is widely used for the intraspecies classification of one of the following bacteria ? A Staphylococci B E. coli C Klebsiella pneumoniae D Pseudomonas aeruginosa 💡 Explanation Phage typing is widely used for the intraspecies classification of one of the following bacteria ? ✓ Correct Answer: A. Staphylococci