3rd Vaccine Shot Mandated for Tens of Thousands of Australian Workers

A man receives a COVID-19 vaccine at Sydney Road Family Medical Practice, in Sydney, Australia, on Jan. 10, 2022. Jenny Evans/Getty Images

Australian state governments are tinkering with how “fully vaccinated” individuals are defined, with booster shot mandates now inching across four states.

Western Australia was the earliest jurisdiction to make the COVID-19 booster shot mandatory for its million-strong workforce in a directive issued on Dec. 22—on top of an existing vaccine mandate.