The pandemic of 1918 / A. W. Crosby, Jr. -- Precursors of the scientific decision-making process leading to the 1976 national immunization campaign / J. D. Millar and J. E. Osborn -- Immunization and public policy / A. J. Viseltear -- Epilogue: the costs and benefits of the national immunization program of 1976 / J. E. Osborn -- Appendices.