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"Polio causes paralysis for which there is no cure or treatment. Polio is a terrible disease that must stay in
"Polio causes paralysis for which there is no cure or treatment. Polio is a terrible disease that must stay in the past. With effective vaccines and decades of immunization experience, we have the power to keep it there." –@DirOPSPAHO https://t.co/H2shbwUkOJ