The Therapeutic Goods Administration has approved provisional use of a fourth COVID-19 vaccine, developed by Moderna, which is already in use across much of the world.
Two other vaccines — Pfizer and AstraZeneca — are already in use in Australia.
A single-dose vaccine made by Johnson & Johnson has also been approved by the TGA but has not yet been purchased to be used as part of the national rollout.
With Moderna to soon provide enough vaccine doses for 5 million Australians, there are naturally a lot of questions.
Read more from the ABC here.