Totally nothing to do with this:
https://web.archive.org/web/20211117055332/https://www.nsw.gov.au/covid-19/vaccination/requirements-for-workers
*Health care workers*
*From 30 November 2021, a health care worker must be fully vaccinated, unless the health care worker produces a medical contraindication certificate (in a form approved by NSW Health).*
(post is archived)