People who’ve had COVID-19 might only need one vaccine jab – and saving shots on them could free up millions of doses for others – Business Insider Australia

• Some experts believe people who have had COVID-19 should get just one shot of two-dose coronavirus vaccines.
• This would give these people protection while freeing up vaccine doses for others, they say.
• However, other experts warn the approach could be logistically difficult and scientifically “risky.” 
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Experts are divided on whether people who have already had COVID-19 need a full coronavirus vaccine course to protect them from reinfection. 
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