https://www.livemint.com/science/health/covid19-vaccinations-bring-down-risk-of-reinfection-by-50-per-cent-research-11670456288011.html
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A recent analysis has shown that compared to those who have not been vaccinated, those who have recovered from a coronavirus infection have a halved risk of becoming infected a second time or contracting COVID-19 again with severe symptoms
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