Palabras claves: ECUADOR, Fractional dose inactivated poliovirus vaccine, poliomyelitis, routine immunization, Seroprevalence assay
Autores: Baquero G., Chacho D.E.M., Chevez A.E., de Aguinaga R.R., Gabriel Antonio Trueba Piedrahita , Jeyaseelan V., Lázaro López, Mach O., Mainou B.A., Mancheno M.G.S., Quentin E., Rey-Benito G., Salinas L.J.Z., Valarezo A.J.O., Whittembury A., Zhang Y.