Sydneysiders have been advised to bring forward their second AstraZeneca vaccine jab. What does that mean for immunity, boosters and availability?
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Australians who receive the AstraZeneca vaccine have previously been told to wait 12 weeks between their first and second doses to maximise the jabs’ effectiveness.
However, greater Sydney’s worsening outbreak of the Delta variant of coronavirus has triggered a change of tune in the advice from health authorities.
Read the original article at The Guardian