The question mark above is of unusual interest since aiscovery that gamma globulin gives temporary protection from paralytic polio. Th« need for further evaluation of the substance and its limited supply make it unlikely that 1953 polio picture will be much affected by the riiscoy ery. A vaccine still must be perfected. Meanwhile, cases needing care continue to mount following igS.^'s all-time record polio epidemic

63.9%