this process once more before leaving the ship, and his nails were trimmed. darkening of his skin. On March 17th his hair was cut The third day after the ash shower he began to notice About March 10 lesions consisting of erythematous and vesiculated areas appeared on the hands, wrists, ears, and portions of the neck. He noticed epilation for the first time on March 9. At no time did he complain of oropharyngeal lesions, diarrhe2, petechia or purpura. Physical examination revealed a well developed well nourished young Japanese male. Over both ears, around the entire neck and valmar services, of both hands _were vesiculated lesions, some desquamating. There was lymphadenopathy along the posterior cervical chains in the axillary areas and inguinal regions. supra clavicular node was also palpable. None of these nodes were tender. syes were clear and showed no signs of inflammation or thick discharge. were not remarkable. gingival bleeding. The The fundi The nésal pharynx snowed no evidence of ulceration or The heart and lungs were clear. spleen were not palpable. Laboratory Work: A right In the abdomen the liver and There were no other masses. See Appendix (T-19) This 20-year old Japanese male fisherman on the morning of March 1 wes on deci when he saw a flash on the western horizon. a fine ash shower began a few hours later. He was working on the deck when At that time he was wearing a white cotton shirt, a cotton hat, cotton zloves, rubberized fishing pants, and high rubber boots, “Following work he went to his bunk and stripped of his shirt and proceeded to wash only his face and hands. Subsequently, however, he washed his mtire body five tines with tap water and "Monogen", eyes bezgan to secrete a thick yellaw discharge. - Following his exposure his His skin became a dark mud color,