virus titers obtained were 10 ( 4.88 ) , 10 ( 4.38 ) , 10 ( 3.75 ) , 10 ( 2.63 ) , and 10 ( 0.25 ) for ml , st , pk15 , bt and ed cells , respectively indicating that ml , st , and pk15 are optimal cell lines for the growth of prv whereas bt and ed are not very sensitive .
C0007634
cells
C0007595
cell