Black Lines In Nails Can Be Symptoms Of COVID 19?: Strange marks on the nails may be a sign of being infected with the coronavirus some time ago.

This claim was made by a well-known scientist from Britain.

Tim Spector, a professor at King’s College London, said people with coronavirus may develop horizontal lines on their fingernails and toenails within a few months of recovery.

Professor Tim Spector is leading a team investigating the symptoms of the world’s largest coronavirus.

He said that he has received reports from several people in the Zoe COVID Symptom Study app.

This tracker is used by more than 4 million people worldwide.

Professor Tim said that such effects on the nails are not uncommon because it occurs in other diseases as well.

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