Show A wise polio precaution keep P foods well covered cover food to keep flies away especially during the polio OFF danger months in summer is THAT FOOD another wise precaution to tol fol low in com batting spread of the 1 dis disease oase the national dounda tion for infantile paralysis can eau eions through its local chapter the I 1 blue bottle fly bartic is suspected as a possible factor in transmitting the virus as a result of evidence disclosed by investigations fl 11 danced by march of dimes funds the national foundation also urges that all fresh fruit and vegetables should be washed before use left over foods covered properly and garbage or rubbish placed in containers with lids so that flies cannot get to it |