TY - GEN AU - Delem,A AU - Van Rensburg,W AU - Flaskett,I TI - Comparison of the protective efficacies of the live vaccine RIT 4025 and an inactivated vaccine against a natural heterologous A/Victoria/3/75 infection SN - 0022-1724 PY - 1979///1229 KW - Antibodies, Viral KW - isolation & purification KW - Antibody Formation KW - Double-Blind Method KW - Humans KW - Immunologic Techniques KW - Influenza A virus KW - immunology KW - Influenza Vaccines KW - Influenza, Human KW - Neuraminidase KW - Random Allocation KW - Vaccines, Attenuated N1 - Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article UR - https://doi.org/10.1017/s0022172400026000 ER -