Table 1.

Enrichment of positive phage clones by subtraction biopanning

Rounds	Input phage (pfu)	Output phage (pfu)	Recovery
1	2.0 × 1011	4.2 × 103	2.1 × 10-8
2	2.0 × 1011	2.5 × 105	1.25 × 10-6
3	2.0 × 1011	6.8 × 106	3.4 × 10-5

Pfu: plaque forming unit.