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Medical status of Marshallese accidentally exposed to 1954 Bravo fallout radiation: January 1983 through December 1984. BNL 51958

AuthorW.H.Adams
Date*
Classification 4.26.4.00/15 (PACIFIC - US TESTING AREA)
Front

From the publication:

Introduction

March 1, 1984, was the 30th anniversary of the Bravo thermonuclear test that 
resulted in the accidental exposure of the populations of Rongelap and Utirik atolls 
to radioactive fallout. The chronicling of the medical events resulting from that 
exposure is continued in this report, which covers the period from January 1983 
through December 1984. Humanitarian concern for the exposed Marshallese and 
for other human populations that might suffer from some future exposure continues 
to be manifested in the worldwide interest of many individuals and institutions who 
request Brookhaven National Laboratory reports and other published medical 
articles describing the medical findings. Therefore, an updated listing of all 
relevant publications from the Medical Department, Brookhaven National Laboratory, 
is presented in the Reference Section. Articles not issued by Brookhaven National 
Laboratory but which also relate to the medical aspects of the Marshallese radiation 
exposure are included for those desiring further information on the subject. Finally, 
the listing includes Brookhaven National Laboratory-sponsored articles containing 
Marshallese data that do not concern radiation. For the most recent comprehensive 
reviews of the principal medical findings since the fallout exposure, the reader is 
referred to two reports by Dr. Robert A. Conard, director of the Marshall Islands 
medical program for many years (Conard et al. 1980a; Conard 1984).
Thirty years of observation continue to show no detectable increase in mortality in 
the exposed population as a result of that exposure. The survival curves of the high-
exposure Rongelap group, the low-exposure Utirik population, and an unexposed 
group of Rongelap people matched by age and sex to the exposed Rongelap group 
in 1957 continue to be similar (Figure 1). This is not surprising because Japanese 
A-bomb survivors, which include a far greater number of radiation-exposed 
individuals, many of whom received a much higher radiation dose than the people 
of Rongelap, have also had no overall shortening of life-span, even when correlated 
with radiation dose (Kato et al. 1982).

*) Estimated date

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