Table 1. Lytic bacteriophage isolates against E. coli O157:H7 used in this study

Bacteriophage strain	Origin of isolation	Host strain	Size of Plague (mm)
ECO3	Sewage	E. coli O157:H7 ATCC43889	1-2
ECO4	Sewage	E. coli O157:H7 ATCC43889	1
BPECO5	Sewage	E. coli O157:H7 ATCC43889	1-2
BPECO6	Sewage	E. coli O157:H7 ATCC43889	1
BPECO7	Sewage	E. coli O157:H7 ATCC43889	<1
BPECO9	Sewage	E. coli O157:H7 ATCC43889	<1
BPECO15	Sewage	E. coli O157:H7 ATCC43889	<1
BPECO17	Sewage	E. coli O157:H7 ATCC43889	<1
BPECO18	Sewage	E. coli O157:H7 ATCC43889	1-2
BPECO19	Sewage	E. coli O157:H7 ATCC43889	6-8
BPECO20	Sewage	E. coli O157:H7 ATCC43889	1
BPECO22	Sewage	E. coli O157:H7 ATCC43889	<1
BPECO24	Sewage	E. coli O157:H7 ATCC43889	6-7
BPECO25	Sewage	E. coli O157:H7 ATCC43889	1-2