Within the individual wards for treatment of measles and measles pneumonias, precautions for minimizing the dangers of contact infections were carried out as well as possible. Throughout the study we had the hearty cooperation of the base hospital authorities and earnest, well-directed effort to perfect ward management on the part of the ward surgeons and their staffs. Difficulties encountered during the emergency created by the sudden explosion of the influenza epidemic, in spite of the best efforts of all, did much to disrupt the plan which had been instituted for the control and study of the complications of measles. Scarcely had wards been designated and all measles patients on hand differentially allotted to them, when the influenza epidemic appeared and quickly filled the hospital beyond its capacity. Measles wards were taken over for the care of influenza patients. Measles patients, of which there were not a great number at the time, were necessarily crowded together, so that compartments of wards instead of separate wards had to be used in maintaining our separation of the two groups of patients. While the base hospital was yet filled with patients with influenza and influenza pneumonia, admission of patients with measles increased, so that one ward after another was reclaimed for the care of this disease. During this period the measles wards were at times overcrowded and the strictest ward technic could not be practiced. Again new wards were, on occasions, partly filled by admission and transfer before they were properly equipped to receive patients. This disorganization was directly due to the necessity of treating a rapidly increasing number of measles patients before the hospital was cleared of patients with influenza and pneumonia. After this emergency, the system of ward management was rapidly readjusted, and admissions were limited to the normal capacities of the wards. The cubicle system was used in all wards. Bed patients were not required to wear masks, but the mask was strictly enforced upon all patients leaving the cubicle. All attendants were required to wear gowns, caps and masks while in the wards. An attempt was made to prevent the congregating of convalescents. Guards were posted at the latrine doors to limit admission to the capacity of the latrine. Borrowing and lending of any materials between patients were strictly forbidden. Paper sputum cups were provided, kept clean and covered. In the measles pneumonia wards hand disinfectant solutions were provided for use by attendants when they passed from one patient to another. The ward floors were scrubbed at intervals with lysol in water. Dry sweeping of the wards in the morning is regrettable.