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Monday, October 18, 2021

‘COVID toes’ could also be aspect impact of physique preventing virus, examine finds | UK Information

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A pores and skin situation referred to as COVID toes – which ends up in irritation and redness on the arms and ft – may very well be a aspect impact of the immune system’s response to the virus, a brand new examine has discovered.

The symptom often develops inside one to 4 weeks of being contaminated and can lead to fingers and toes changing into swollen or altering color.

Whereas some see signs disappear after simply days, the condition can final for months at a time, and it was first linked to the virus in December final yr.

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Researchers behind the examine – which has been printed within the British Journal of Dermatology – checked out 50 contributors with COVID toes and 13 with comparable chilblains lesions that arose earlier than the pandemic.

They found two elements of the immune system could also be chargeable for why the signs seem because the physique fights off the virus.

One is an anti-viral protein, referred to as sort 1 interferon and the opposite is an antibody that mistakenly targets and reacts with an individual’s personal cells and tissues, in addition to the invading virus.

Cells lining blood vessels that provide the affected space additionally seem to play a important function within the growth of COVID toes and chilblains.

The senior creator of the examine, Dr Charles Cassius, stated the analysis supplied a deeper understanding of the situation.

“The epidemiology and medical options of chilblain-like lesions have been extensively studied and printed, nevertheless, little are identified concerning the pathophysiology concerned,” he stated.

“Our examine gives new insights.”

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