Summary: <p>The "Knockout Polio" drive began in September of 1963. Approximately 320,000 people in Kent County participated, 86% of the population, and took the two drops of vaccine placed on a sugar cube.</p>
Summary: <p>The "Knockout Polio" drive began in September of 1963. Approximately 320,000 people in Kent County participated, 86% of the population, and took the two drops of vaccine placed on a sugar cube.</p>