Sudbury polio clinic: various shots from different angles and distances, of young girls and boys being treated for polio in tanks, in bed; of doctors standing by bed of polio patient. Brief cut to oudoor hockey game played by boys on improvised rink. Front view of doctor greeting two men and six year old boy as they come into clinic. PAN to women in waiting room playing with children on floor of clinic. Some children in sequence wearing leg braces.