| 摘要 |
<p>A vaccine is provided containing a revertant Bovine Immonodeficiency Virus (BIV) from the retrovirus family, which exhibits an increased level of reactive ability and protectivity in humans as compared to the antibody producing antigen vaccines, the revertant BIV of the invention being exemplified by inducing clonal lymphocytes as immune surveillance against virulent retrovirus including HIV-1 and HIV-2.</p> |
