TY - BOOK TI - Polio eradication field guide PY - 1994/// CY - WashingtonUS PB - P.A.H.O. N1 - Bibliography: p.45 N2 - Presents a step-by-step guide for setting up and carrying out polio eradication activities. Emphasizes issues related to evaluating surveillance systems, improving specimen collection for cases and contacts, and developing specially targeted vaccination strategies ER -