Yes in accordance with AR 600-20 commanders have a responsibility ensure the unit is medically protected.
AR 600-20 5-4g(2) Command aspects of medical readiness and medical care specifically states:
Immunizations. Commanders will ensure that Soldiers are continually educated concerning the intent and rationale behind both routine and theater-specific or threat-specific military immunization requirements. Immunizations required by AR 40–562 or other legal directive may be given involuntarily (except as prescribed in para 5–6 or para P–3b regarding religious accommodation). The intent of this authorization is to protect the health and overall effectiveness of the command, as well as the health and medical readiness of the individual Soldier. In cases where involuntary immunization is being considered, the following procedures and limitations apply: