~3= to that of the comparison population, Mortality in the exposed group remained about the same as in the comparison population and no evidence of premature aging was recognized and no leukemia developed, One death from cancer in an older exposed woman occurred at five years postexposure - too early it is believed to be related to radiation exposure, No skin malignancies have been noted as a sequelae to beta burns, but there appears to be an increase in the number of pigmented nevi in the beta irradiated skin areas, No specific genetic studies have been carried out but no increase in congenital malformations has been noted in the children of exposed parents, THE 1963 SURVEY The survey team consisted of 10 physicians and technicians from the United States and ten from the Trust Territory, Just prior to the survey, an epidemic of poliomyelitis, type 1, had spread through the Islands and Rongelap was among the islands affected, Twenty-three children and three adults developed the disease, with one death occurring in a woman in the exposed group and several cases of partial paralysis in the children, Fortunately the epidemic did not affect Utirik., At the time of the survey, the epidemic had been brought under control by widespread immunization with Sabine oral vaccine by Navy and Public Health teams, Examinations were carried out on 70 Rongelap people in the exposed group, 35 children of exposed parents, 195 unexposed Rongelap people (adults and children) comprising the comparison population, and 84 Utirik people who had been exposed, A Trust Territory cargo ship was used to transport the team and equipment to Rongelap and Utirik, the examinations, The team lived ashore at both Islands during the period of Smaller groups of Rongelap and Utirik seople were also examined at Ebeye, (Kwajalein Atoll), and Majuro, The attitude of the people as usual was most cordial and cooperative on both Islands,