How much do we know about Australia's potential COVID-19 vaccines?

3D print of a spike protein on the surface of SARS-CoV-2, the virus that causes COVID-19 Source: Getty Images

The existing agreements are with Oxford University-AstraZeneca, Pfizer-BioNTech and Novavax.

As Australia approaches the end of an extraordinary year, a new start beckons with optimism for a much-anticipated COVID-19 vaccine.

But how much do we really know about the potential vaccine candidates in line for an early 2021 release in Australia?

Some experts warn many challenges lie ahead including logistics, record-keeping, appropriate supervision and overcoming vaccine hesitancy.

Listen to SBS Indonesian every Monday, Wednesday, Friday and Sunday at 3 pm.

And you can keep up-to-date of the latest information about the corona virus in your language at sbs.com.au/coronavirus