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Friday, April 23, 2021

Covid-19 reinfection substantially more common in elderly people, study finds

The majority of people who have had Covid-19 are protected from getting it again for at least six months, a study published on Wednesday showed, but older people are more prone to reinfection than younger people.

The study found that just 0.65 per cent of patients tested positive a second time for Covid-19 after previously being infected during Denmark’s first and second waves.

However, the study found that people over the age of 65 had only 47 per cent protection against repeat infection, compared with 80 per cent protection for younger people.

“Our study confirms what a number of others appeared to suggest: reinfection with Covid-19 is rare in younger, healthy people, but the elderly are at greater risk of catching it again,” said Steen Ethelberg of Denmark’s Statens Serum Institute.

“Since older people are also more likely to experience severe disease symptoms, and sadly die, our findings make clear how important it is to implement policies to protect the elderly during the pandemic.”

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