Early analysis suggests Pfizer's COVID-19 vaccine has an efficacy of more than 90%, but more data is still needed.
A behind-the-scenes look at the two vaccine candidates being developed by Monash University and the Doherty Institute.
Dr Harry Al-Wassiti is now part of a Monash research team striving to find a COVID-19 vaccine, but his path has been far from easy.
How likely is it that we'll have a relatively quick fix for COVID-19, and what are the hurdles?
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