Experience with production of interferon and Japanese encephalitis vaccine in continuous cell lines.

Two continuous cell lines, lymphoblastoid cell (Namalwa) and BHK-21, were studied for production of interferon and Japanese Encephalitis vaccine. Lymphoblastoid cells (Namalwa) were induced with 100 HAU/ml of Sendai virus while the cell density was 10(7) cells/ml. A titre of Ig 4.