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Covid-19 reinfection rare, but more common for those aged over 65 - study

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www.rte.ie

Most people who have had Covid-19 are protected from catching it again for at least six months, but those aged 65 and over are more prone to reinfection, new research suggests.

Large-scale assessment of reinfection rates in Denmark in 2020 confirms that only a small proportion of people (0.65%) returned a positive PCR test twice.

However, while prior infection gave those under the age of 65 years around 80% protection against reinfection, for people aged 65 and older it only gave 47% protection, indicating that they are more likely to catch the coronavirus again.

According to the study published in The Lancet, the researchers detected no evidence that protection against reinfection declined within a six-month follow-up period.

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