Researchers probe nail abnormalities for COVID-19 clues
Fever? Cough? Loss of sense of taste and smell? These are all common symptoms of COVID-19 infection.
But discolored and misshapen nails? Not so much, it seems.
However, in a small number of reported cases, patients' fingernails discolored after a COVID-19 infection, developing a red half-moon pattern a few weeks ...