Diseases, Conditions, Syndromes

COVID-19 vaccines halve the risk of reinfection, study finds

Among those who have recovered from a coronavirus infection, vaccinated people have a halved risk of becoming infected a second time or contracting COVID-19 again with severe symptoms compared to those who are not vaccinated.

Diseases, Conditions, Syndromes

Repeat COVID infections increase risk of health problems: study

People who have had COVID more than once are two or three times more likely to have a range of serious health problems than those who have only had it once, the first major study on the subject said Thursday.

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