10-day

Updated: May 10, 2025

Typhoid fever is one of the most dangerous and common camp diseases. Modern medicine has, however, discovered an effective preventative for this disease in the typhoid prophylactic, which renders the person immune from typhoid fever. The treatment consists in injecting into the arm a preventative serum. The injection is given three times at 10-day intervals.

United States. War Dept. - Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917 : To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and training