Archyde May 7, 2021 by archyde Doctors said that Corona’s nails have become one of the most common signs recently, and they have clarified that clear lines “that grow horizontally across the nails may indicate that a person has been infected with a virus.” Corona From before. And Professor Tim Spector, who leads the Zoe Symptom Study application, wrote on Twitter, “Do your nails look weird? Coronavirus nail sign can occur without a rash and appears to be no sign of damage. Fingernails grow in cycles of about six months, so a person infected with the Coronavirus may not notice any change in their appearance until after a period of illness.