ce 14H wewverrom > Abo: LeT LAB COLLECTION BO*No A 404268 CL~/ Y L/33/—/ FOLDER (Asiz Ef[pTtbptberen 13, 19641 Br. Robert Conard Brookha National Labora Upton, Long Imlant, Nev Yor: BEST COPY AVAILABLE Dear Bod: Many thanks for the copy of the wost recent survey of the. Rongelap natives. copies.) (Payne Harris and Wright Langhem also thank you for their It looks to me as though we can probably say thet the lymphocyte counts have finally returned to normal limite. It would be interesting to see 1f there will ever be an explanation for the apparent drop in the total white count in the 1960 survey. The developmental defects in the mall children are also of considerable interest, and I presume an attempt will be made to correlate these findings with what has been reported in Japan. There is one smal] point where my memory may be playing tricks on me. It is my recollection that it was not possible to get from any of the natives a satisfactory history of nausea and vomiting during the first 24 or 48 hours after exposure. I do remember that there was some complaint of these symptoms while they were on the destroyer en route to Kwajalein. It was my impression, however, that they were very close to being symptom-free up to that trip. Now I note on Page 2 a statement thet two-thirds of the people experienced anorexia and nausea and there was a little vomiting and diarrhea during the first 4&8 hours. statement is. I wonder if you could tell me how precise this Certainly I have been going around saying that nausee and vomiting will probably be absent in exposures below 200 rads although this is probably not a 100% rule, and one may also encounter G.I. disturbances purely on en emotional basis. Maybe some one of these years I can get back out when your survey team goes and see those natives again. I will, however, be very careful about getting @ sunburn comparable to the one I got on my previous visit to Rongelap. Very sincerely yours, THOMAS L. SHIPMAN, M.D., Health Division Leader TLS/ica KR

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