| two potential improvements to bcg and their effect on skin test reactivity in the lebanon. | an account of an ongoing project to assess the possible benefits of two additives to bcg vaccine is presented. these additives are suspensions of irradiation killed mycobacterium vaccae in one case, and m. leprae in the other. groups of children aged 7-17 living in zgharta and akkar districts of north lebanon have received vaccination with bcg alone or with either of the two additives since 1980. this region was chosen since contact with environmental mycobacteria is small, but both leprosy and ... | 1986 | 3535188 |