15 December 2021 Communicable Disease covid vaccine COVID-19 Public Health Outbreak states push ahead with easing restrictions
27 October 2021 Communicable Disease covid vaccine COVID-19 Political TheHill TGA okays mix-and-match booster doses
3 September 2021 Communicable Disease covid vaccine COVID-19 UK swap boosts Pfizer supply by 4m doses
18 August 2021 Communicable Disease COVID-19 Indigenous health TheHill How the Indigenous vaccine rollout slipped away