Who is diagnosed person
3.  An individual is or becomes a diagnosed person if the individual, at any time on or after 15 September 2021, has been informed that he or she —
(a)tested positive for SARS‑CoV‑2 upon undergoing a PCR test in Singapore; or
(b)has been diagnosed as having a COVID‑19 infection,
whether or not the individual is or has been given an order under section 15(1) or (2) of the Act.