Phage typing is useful as an epidemiological tool in all, except -
Phages that lyse all the members of genus salmonella species ,Bacillus anthracis and subspecies classical vibrio cholerae. The most impoant application of phage typing is for intraspecies typing of bacteria as in the ohage typing of S.typhi and staphylococci. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:459
Salmonella
Staph aureus
V. Cholerae
Shigella dysenteriae
Virology