TABLE 1.

MHV BAC recovery rates in BHK-MVR cells

BAC	No. of viruses recovered/no. of attempts	Recovery (%)
N1347A	9/9	100
D1329A	9/9	100
N1347A/D1329A	0/12	0
G1439V	4/11	36.37
A1438T/G1439V	6/6	100