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.
Experts suggest vaccination of children must be part of Australia’s exit strategy, especially with the Delta variant of the virus.
What does the Seychelles experience tell us about variants, vaccine efficacy and herd immunity?
Australia's expedited plan to start dishing out COVID jabs in mid-late February will call for NASA-like logistical organisation. And ideally, no more clusters of infections to distract frontline workers.