Table 1.

The time (hours) from onset of symptoms (based on history from parents/guardians) to death for all fatal cases in the study for which there was autopsy (n = 103) data available demonstrate that CM1 cases appear to be a shorter duration of illness than CM2 patients consistent with our observations of the histopathology.

Data is shown as median time [interquartile range].^*Kruskal-Wallis test for Autopsy data.