6. Section 2 of the Principal Act is amended—
(a) by omitting “the prescribed disease” from paragraph (a) of the definition of “prescribed action” and substituting “a transmittable disease”;
(b) by omitting “the prescribed disease” from subparagraph (a) (iii) of the definition of “prescribed action” and substituting “that disease”;
(c) by omitting “the prescribed disease” from paragraph (b) of the definition of “prescribed action” and substituting “a transmittable disease”;
(d) by omitting the definition of “approved” and substituting the following definition:
“ ‘approved', in relation to an instrument or method, means approved by the Medical Officer of Health by instrument for the purposes of this Act;”;
(e) by omitting the definition of “prescribed disease”; and
(f) by inserting the following definition:
“ ‘transmittable disease' means any of the following diseases:
(a) the disease known as Acquired Immune Deficiency Syndrome in any of its forms or stages;
(b) hepatitis B;
(c) hepatitis C;
(d) any disease resulting from infection by the Human T cell Lymphoma virus 1 or 2;
(e) syphilis;
(f) any other prescribed disease.”.