buffalo pox virus antigen was detected in vero cells and swine pox virus antigen in the cytoplasm and nucleus of pk-15 and ib-rs-2 cells as early as 6 hr post infection ( p.i . ) by indirect immunoperoxidase technique using a protein a-horseradish peroxidase ( hrp ) conjugate .
C0010834
cytoplasm
C0007634
cells