Two years ago The Journal1 discussed the sanitary problems which must be met if our troops should have to go into Mexico for any length of time. Today these problems should be considered again. The state militia is mobilizing; large bodies of men are already being concentrated in camps and soon perhaps some will be moving to the Mexican border, if not into Mexico. The guarding of the border is likely to be the duty which will fall particularly to the militia and less trained troops. Actual invasion, if it should come, will no doubt devolve on the regular army.
Typhoid and smallpox vaccination have practically removed the menace to life from these diseases under military conditions. The militia, however, has not been immunized against typhoid even approximately to the extent that the regular army has been vaccinated. The danger from dysentery, which is still a menace to men