48.—(1) Every precaution shall be taken by the medical officers and other officers of any hospital, mental hospital or place to prevent the escape of prisoners who may at any time be under treatment therein.
(2) The officers referred to in subsection (1) may take such measures for preventing the escape of any prisoner as shall be necessary.
(3) Nothing shall be done under the authority under this section which in the opinion of the medical officers is likely to be prejudicial to the health of those prisoners.