Robert S. Henry, Armed Forces Institute of Pathology… (1964)
“ Hepatitis, while it is exceedingly debilitating and distressing to its victims, is not a disease of high mortality, the death rate being less than three-tenths of 1 percent of hospitalized cases. In disablement and deadliness, hepatitis was not to be compared with yellow fever, but there was enough plausibility in the rumor that "yellow jack" had returned to the Army through the hypodermic syringe of the surgeon to make it damaging to morale. ”
