Once we achieve herd immunity, people who are not vaccinated benefit indirectly from the immunity of those around them. But it’s not easy to say exactly when we’ll reach this threshold for COVID-19.
NSW's successful test and trace strategy controlled the Crossroads Hotel outbreak a year ago without needing a stringent lockdown. But this has not worked as well against Delta.
The Prime Minister is asking people in Greater Sydney to consider bringing forward their second AstraZeneca dose but what is the official health advice?
The Prime Minister has borrowed language from Franklin Roosevelt to describe his pathway out of the pandemic. But Morrison's 'New Deal' has the potential to leave too many people behind.
