Vaccine experts have warned the Australian population that life will not return to "normal" in 2021 despite the accelerated rollout of the COVID-19 jab, with the effectiveness of any vaccine only measured once "60 to 70 per cent" of the population is immunised.
https://www.abc.net.au/news/2021-01-08/covid-19-vaccine-rollout-in-australia-not-magic-bullet/13038578