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_

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lm

4)
At CLLO hours on March 2, the vessel shifted -its course ¢
its na port of Yaizu, where it arrived at 0600 in March lL,
omars

(5) In the following two cr three days, all the crew reported slight
headaches and- scme of them were nausecus. In 7 or & days, evidence sf sums
on exposed parta of the body began to appear.

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In r@spomse to certain questions which the Ambassador asked the
Foreign Service, the following information was received. It sheds some
light on the sequence of events during the 2 days following the return
of the Fukuryu Maru to Yaizu, but before the mishap had come to the
attention cf the Embassy.

(1)

The crew first contacted the ship's owner, and the director of the

(2)

Two of the fishermen, Yamamoto and Masuda, who were in more serisus

Fisherman's union. On the day 2f their return crew members who were seriously
affected consuited a physician of the Kyoritsu Hospital,

condition left the Kyoritsu on March 15 for Tokyo where they visited Doctor
Shimizu at the Tokyo University Hospital.

(3) Professor Shickawa made radiation measurements of the ship on
March 16 and on the basis of his findings all of the crew members consulted
a physician who recommended that the men be hospitalised.

THE ROLE OF THE JAPANESE SCIENTISTS
During the latter half of March the Japanese presa was fed continually

with sensational statements from Japanese Scientists. The notivations
of the Japanese were never quite understood by us but the following factors
may be errumerated as pertinent to our lack of progress in dealing with them:

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(1) In a long private conversation that I had with Dr. Tsuzuki at his
home on the evening of March 2h, he was frank in stating his apprehension
that the American scientists would deny him and his associates professional
recognition due them for their accomplishments in the diagnosis and treat—-

ment of the fishermen. He referred frequently to his experience in 1945
when he lead the teams of Japanese investigators into Hiroshima and Nagasaki
only to have his work interrupted by the Occupation investigators who
undertook their own studies. Or. Tsuzuki seemed to accept ay assurances that
in the present situation it was the intent of the American scientists to

assist the Japanese and that all of our findings would be evailable to them
and could be used as they saw fit in their own publications.

Qs

Dr. Teusuki was cutwardly frierily to both Dr. Morton and nyself
until the time of his departure for Geneva on March 31. Despite this, the
lack of cooperation continued to be manifest on the part of the Japanese
investigators, I do not know whether this was because we misjudged Dr.

Tsuzuki's friendliness, or because he lacxed influence on his japanese.
colleagues.

(2)

groups.

There was much evidence of rivalry among various Japanese zedical

In particular, the staff at Tokyo

Dr. Tsusuki,

University headed

were initially at odds with the group at the National Institute of Health,
headed by Dr. Kobayashi.

Moreover, the local physicians at Yaisu, where

all but two of the patients were hospitalised until March 29, were anxisus
for various reasons that the patients remain there. -Their lack of cooperaticn

with the American scientists say have been motivated by their knowledge that
the Americans advised that the patients be transferred to Tokyo;
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