notification of an infectious disease shall be given —
(i)
in the case of an infectious disease referred to in Part I of the Second Schedule, not later than 24 hours from the time of diagnosis of such disease; and
(ii)
in the case of an infectious disease referred to in Part II, III or IV of the Second Schedule, not later than 72 hours from the time of diagnosis of such disease; and
(b)
such notification shall be given by facsimile transmission or through an electronic notification system set up for such notification.