_Author_: See below. _Title_: Trench Fever Report of Commission Medical Research Committee, American Red Cross, University Press 1918. Trench Fever, Bruce, Final Report of the War Trench Fever Investigation Committee, Journal of Hygiene 1921, page 258. _Quotation_: Reference in Kolle-Kraus-Uhlenhut, Manual of Pathogenic Micro-organisms. VIII/1, 1302, (1930). _Purpose_: “The American Commission (President: Strong, Members: Swift, Ople, McNeal, Beetjew, Pappenheimer, Peacoc, Rapport) interpreted its task in a preponderantly practical way, trying to clarify the methods of transmission and to safeguard the troops from infection. The English Commission (President: Bruce. Members: Harvey, Bacot, Byam, Trench, Arkwright, Fletcher, Hird, Plimmer) set itself the task of investigating the disease completely and thoroughly, particularly also the causative agent.” _Experiment_: “The experiments of the English-American Commissions, those of transmitting Quintana with the entire blood were largely positive, and the intravenous injection showed better results than the intramuscular and particularly the subcutaneous. “Experiments for the transmission of lice were carried out by the English and American Commissions on the two bases: The bite of lice and the rubbing in of infected lice secretion.” The first announcement of the American Commission on successful transmission of lice came on 14 February 1918; the first successful experiment on the transmission of lice of the English Commission on 9 March. _Transmission Experiments_: with Plasma positive in 7 cases with Serum negative with red blood corpuscles positive 3 times in 4 experiments with blood from skin which has negative been scratched _Infection_: with secretion of lice positive with sputum and saliva positive once in 4 experiments with urine of patients rubbed into positive 5 times in 8 experiments the skin through the conjunctiva positive through the urethra not successful through the mouth not successful through food and drink not successful _Experimental persons_: Approximately at least 100 _Result_: Clarification of the etiology and the methods of transmission. _Excerpts from the Original Report No. 25_