Phage typing is widely usde for the intraspecies classification of one of the following bateria -
Phages that lyse all the members of genus salmonella species, Bacillus anthracis, and subspecies classical Vibrio cholera. The most impoant application of phage typing is for intraspecies typing of bacteria as in the phage typing of S.typhi and staphylococci. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:459
Staphylococci
E. coli
Klebsiella pneumoniae
Pseudomonas aeruginosa
Virology