Abstract
Within the past two or three years infectious hepatitis has become recognized as an epidemic disease of increasing military importance.1 Its prevalence among British troops in the Middle East has been high,2 but it has not been limited to British forces or to that particular geographic area, for this disease has occurred in the armies of other allied nations; in the French army in Tunisia,3 in the Italian army in Sicily in 19414 and in the German army5 as well as in the civilian population of Palestine.6 Outbreaks of what may be the same disease have also occurred in the civilian population of Scandinavia,7 England8 and America,9 but in the absence of diagnostic tests the relationship of infectious jaundice to so-called catarrhal jaundice10 as well as to various types of "epidemic jaundice" (with the exceptions of yellow fever and Weil's