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Prickly heat type rash or chickenpox-type rash present as areas of small, itchy, red bumps found anywhere on the body.
However, this type can commonly appear on elbows, knees and the backs of hands and feet.
This particular skin sign can persist for days or weeks, the ZOE COVID app reports.
Their research warns that these skin symptoms often occur when there are no other symptoms linked to Covid present.
Source: Daily Express