Serologic Survey of Man for Avian Leukosis Virus Infection

Abstract
Summary: Six current lots of 17 D yellow fever virus vaccine propagated in chicken embryos were found to be contaminated with complement-fixing group antigens of avian leukosis virus. Bloods of 111 individuals vaccinated with 22 different lots of the 17 D vaccine given up to 54 months before drawing a blood specimen were tested for neutralizing antibody to Bryan standard strain of Rous sarcoma virus. None was found in any of the bloods tested.

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