Table 1.

Virulence and MV₅₀ Values for Phages T4, T5, and T7, and Combinations of Phages T5 and T7 Under Various Conditions

Phage	Virulence index (VP)				MV50
	30°C		37°C		30°C		37°C
	TSB	BHI	TSB	BHI	TSB	BHI	TSB	BHI
T4	0.55 ± 0.07	0.45 ± 0.04	0.60 ± 0.04	0.47 ± 0.05	1 × 10−4	1 × 10−3	4 × 10−5	6 × 10−4
T5	0.28 ± 0.02	0.05 ± 0.06	0.17 ± 0.05	0.01 ± 0.01	5 × 10−1	>1	1 × 10−1	> 1
T7	0.77 ± 0.05	0.69 ± 0.08	0.84 ± 0.05	0.76 ± 0.09	8 × 10−7	6 × 10−7	<10−7	4 × 10−6
T5:T7(1:1)	—	—	0.81	—	—	—	5 × 10−6	—
T5:T7(3:1)	—	—	0.72	—	—	—	1 × 10−6	—

BHI, Brain Heart Infusion; TSB, Tryptic Soy Broth.