. T. KUMATORI controls, although it was not extremely high (Kimura et al., 1956). After 8'/. years and 10 years, ’Cs- and °Sr content in the urine of the fisherraen revealed no significant increase. At the same time the results cf whole body counting showed nosignificant difference between fishermen and controls. Thus, the external irradiation seemed to play an impotant role in early effects. SYMPTOMS AND SIGNS IN THE EARLY STAGE Figure | summarizes the symptoms and signs in the early stage. %, No, 100 23} 20 75 ! 157 10 25 Sr ol 100 headache fever more than38°C aa 9 t 15r Sob x = ~ N 1OF 25 N \. anorexia L . nausea. se diarrhoea ¢ and vomiting” ~~... ip wa Similar relationsh F own in the dose as sh ¥, oe ~ 23h 20r 75 fatigue leukocyt one case, the roinimum between these s : achteseste: Bdvide eal 8, aia 50 joo 2at 75 sof 95 20rF ON. ~ 77 “Npilation epilation 15 Ne 10 / 5 L gi Me date i-5 nimal body and the mi of neutrophils. s a ¢ In must case d in ¢€@ cells increase metamyt some cases, the ; especially with era id ns ge, 4 co dama end stage. Lympho e c¢ cases. Leukocyt was re eosinophilia ntinu: Eosinophilia co ill and one case st Erythrocytes 2. F At the time of th in ed rv was obse s c¥ The Price-Jone t, at rs fi of normal at ch to ed corrsepond 2 Platelets, ete. Platelet count: of other tests rel cone “ haemorthage i n betv Correlatio ig. 2 sto the « se ca the estimated nut she: Nlost of the fi ™ 4 r 3 skin lesions Leukocytes mber cf The total nu t the dth te counts at abou an 2,000. count of less th e + peandy $e, Radiochemical analysis of several organs from the fatal case showed that the radioactivity of these organs was clearly higher, when compared with the 1. ore barely detectable. E! HEM: a1 ant hts Wendiegees tte WAMRRRSIED bo Uta Doses aalabaaas . each patient’s behavior on the boat. The dose to each person cliffered depending on his behavior and the position of his cabin. The integrated dose to the thyroid from *'I was inferred as about 20 to 120 rads from external countings of radioactivity in the thyroid region during the 4 to 7 weeks after the initial exposure. Significant amounts of radioactivity were found in the urine samples collected at about 4 weeks after the explosion. The radioactivity decreased rapidly, namely at about 6 monthspost explosion the activity in the urine was Hematological ‘\ conjunctivites Sut. we 6-10 J1-15 16-20 21-26 27-1 March . oor: 2-6 7-11 12-12 Apri Fig. 1 in general and re Symptons and signs in on 1. Comparis the early stage. * \ When these b