Рекомбинантен FeLV canarypox вирус (vCP97)......................................................... ≥ 107. 2 CCID501 1: клетъчно културална инфекциозна доза 50%
FeLV recombinant canarypox virus (vCP97).................................................................  107.2 CCID 50 1 1: cell culture infective dose 50%