41.   The label is in routine use worldwide for all polio vaccine and for many other heat-sensitive vaccines.

42.   The label, made by private New Jersey-based LifeLines Technology, will be on every vial of polio vaccine purchased and distributed by UNICEF.

43.   The only medical attention they had ever had, he said, was the polio vaccine they had gotten the day before.

44.   The oral polio vaccine, also made from a live but weakened strain of the polio virus, has practically eliminated that paralyzing disease.

45.   The oral Sabin polio vaccine was a weakened form of the poliovirus.

46.   The polio vaccine!

47.   The switch from the original injected Salk polio vaccine to the oral Sabin vaccine resulted in rare but serious cases of vaccine-related paralytic polio.

48.   The Wistar polio vaccine was also given to a small number of Swedes.

49.   There was a Western medicine disaster theory, which held that the virus was injected into Africans in bad batches of polio vaccine.

50.   There his scientific interests moved gradually from influenza virus to the urgent effort to develop a polio vaccine.