Little-known coronavirus symptom shows you may have beaten Covid-19 without realising

Nail markings may indicate that people have had Covid, new research shows.

Tuesday, 4th May 2021, 1:23 pm

Unusual nail markings being a possible indicator of Covid infection was revealed today by Professor Tim Spector, who leads the Zoe Symptom Study app – a Covid-19 epidemiological research mobile app developed in the United Kingdom as a collaboration between King's College London, Guy's and St Thomas' Hospitals and ZOE Global Limited.

The purpose of the app is to track symptoms in a large number of people to enable epidemiological results to be calculated.

In a tweet today, Professor Spector said: “Do your nails look odd? Covid nails are increasingly being recognised as the nails recover after infection and the growth recovers leaving a clear line. Can occur without skin rashes and appears harmless.”

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Nail markings could be a sign that somebody has had Covid (Photo: Tim Spector)

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