How effective are the COVID-19 vaccines?
University Of Washington Lab Works On COVID-19 RNA Vaccine Source: Getty Images North America
A small group of Australians have now received their first doses of a coronavirus vaccine. By October, it's anticipated the entire adult population will be vaccinated. Most Australians will receive the AstraZeneca jab - but there are concerns about its effectiveness and how it will fare against dangerous new variants of the virus.
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