Time courses of the cell counts of the neutrophiles, lymphocytes, and thrombocytes in two cases of different severity among the 23 crewmen of the Lucky Dragon. Case Nr. 383 as the most severe, and case Nr. 393 as the mildest case according to the METREPOL categorization (see Tab. 2). Categories H0: no alterations, H1: mild, H2: moderate, H3: severe, and H4: fatal. The horizontal lines in the graphs show the limits of cell counts as one criterion for categorization (not to be interpreted as cut-off lines). The other criterion is the speed and duration of cell count drops and the time points of the nadirs. Source of the data: SEARCH database.