Before revision: To prevent future outbreaks of COVID-19, Australia is pursuing a mass-vaccination approach in which a targeted group of the population comprising individuals in high-risk age groups, healthcare workers, and other groups at increased risk of exposure will receive a highly effective priority vaccine (up to 95\% efficacy for symptomatic disease) .
After revision: To prevent future outbreaks of COVID-19, Australia is pursuing a mass-vaccination approach in which a targeted group of the population comprising individuals in high-risk age groups, healthcare workers, aged-care residents and other individuals at increased risk of exposure will receive a highly effective priority vaccine (up to 95\% efficacy for symptomatic disease) .