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February 1, 1958


JAMA. 1958;166(5):559-562. doi:10.1001/jama.1958.02990050129029

CANCER AND VIRUSES  When Shimkin,1 of the National Cancer Institute, Bethesda, Md., returned from a visit to Russia recently, he reported that at a meeting of the Academy of Medical Sciences in Moscow there was a lively discussion between the proponents and the opponents of the virus etiology of cancer. It is said that this is an important area of cancer research in the Soviet Union.On this side of the Iron Curtain, the gap has narrowed between those who believe in the virus etiology of cancer and the advocates of the importance of "soil" susceptibility, chemical and other irritation, and genetically determined cell mutation. More important, there now appears also the possibility of applying laboratory observations to man."Soil" susceptibility is not only determined genetically. According to Bryan,2 of the National Cancer Institute, genetically similar individual animals