Table 1.

Stable replication of rMVAs in Vero cells

	51.1 (pfu × 106)		44/47.1 (pfu × 106)
Passage No.	CEF	Vero	CEF	Vero
1	3.2	NT	1.2	NT
2a	5.0	5.2	2.4	6.5
2b	9.0	9.6	NT	NT
3a	13	16	1.3	3.9
3b	6.4	6.5	NT	NT
4a	4.8	5.3	0.9	1.2
4b	6.2	5.4	0.6	1.8
5a	9.5	8.4	4.6	6.7
5b	20	20	1.1	5.4
6a	6.2	12	2.0	3.8
6b	6.5	5.6	1.4	4.1
7a	5.6	8.0	3.2	8.0
7b	8.5	13	1.6	2.8

a and b represent independent serial passages.

Passage 1: cells infected with 0.1 pfu/cell.

Passage 2: cells infected with 0.1 ml of previous.

Passage 3 – 7: cells infected with 0.05 ml of previous.

Cells harvested at 48 h after each passage.

NT: not titered