COVID self help available at https://www.healthdirect.gov.au/

some information on above link

https://corical.immunisationcoalition.org.au/pfizer
CoRiCal aims to help people make informed decisions about the risks versus benefits of COVID-19 vaccines.

explains vaccine development and distribution
https://www.who.int/news-room/feature-stories/detail/the-race-for-a-covid-19-vaccine-explained
A FOURTH dose for COVID vaccination is now recommended for those over 65 or if you are IMMUNOCOPROMISED. It is available 4 months after your ( third) BOOSTER dose. in 2022 it can be given with the annual seasonal Influenza Vacciation – ( sorry , it is two needles)
Further announcements for other age groups will be expected
COVID testing is recommended for all contacts with an identified case, identified sites or even minimal symptoms and to self isolate till test result. You can do this with a RAT test at home and if positive then a nasal PCR swab – Laverty Pathology tel: 6382 1212 are conducting testing with bookings at 12 Cloete Street Young or location as advised.
Drive through location and times vary – currently at Showground : managed by Young Respiratory Clinic -book online hotdoc.com.au or ring Boorowa Street Medical Practice on 62821599