A vial assembly may include a vial having a body to hold a liquid material, and a neck extending from the body. The neck may include a multi-use surface configured to permit access to the liquid material. The vial assembly may include a cap to be received by the neck and to cover the multi-use surface. The cap may include a base having a first major surface, and a second major surface opposite of the first major surface, arms extending from the second major surface, and a rupturable reservoir of disinfectant material carried by the base between the first major surface and the second major surface. One or more of the first major surface and the second major surface may be flexible so as to rupture the rupturable reservoir when the cap is received by the neck.