. Preventive medicine and hygiene. Fig. 184.—Trench Fever, Long Type. {British Medical Journal, July 29, 1916.) case occurred in England in a patient who had never been out ofEngland, but who contracted the disease while in a hospital in attend-ance upon cases of trench fever from France.^ Cause.—All attempts to discover the infective agents have thus farfailed. Various suggestions, mostly unsatisfactory, have been put for-ward in explanation of trench fever. Thus, the periodic character of the. Fig. 185.—Trench Fever. {British Medical Journal, July 29, 1916.) fever in the long type, the consi
. Preventive medicine and hygiene. Fig. 184.—Trench Fever, Long Type. {British Medical Journal, July 29, 1916.) case occurred in England in a patient who had never been out ofEngland, but who contracted the disease while in a hospital in attend-ance upon cases of trench fever from France.^ Cause.—All attempts to discover the infective agents have thus farfailed. Various suggestions, mostly unsatisfactory, have been put for-ward in explanation of trench fever. Thus, the periodic character of the. Fig. 185.—Trench Fever. {British Medical Journal, July 29, 1916.) fever in the long type, the considerable increase in the proportion oflarge mononuclear leukocytes, and the evidence pointing to an intra-corpuscular infection suggests a protozoan rather than a bacterial bacteriologic investigations have so far been negative. Houston andMcCloy incriminate an enterocoecus, a normal inhabitant of the intes- 1 MacGregor, R. D.: A Case of Trench Fever Contracted in England, Brit-ish Medical Journal, Feb. 17, 1917, p. 1248 MILITAEY HYGIENE tinal tract of man, and found in numerous disease states, both medicaland surgical.^ It has also been pointed out that as many of the men have been hitwhile using the latrines, there is a decided tendency to go for three orfour days, or longer, without a bowel movement. One group of thesepyrexias may perhaps be ascribed to this cause, since corrective measuresinvariably clear up the conditions without a relapse. Cold, wet, andfatigue ap
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