These symptoms may be an important way to distinguish COVID-19 from other viral infections.
Most of the patients who contracted this skin condition were otherwise healthy and asymptomatic - many went untested. "It's a great indicator that a patient had already contracted COVID-19."
COVID-19 is typically signaled by three symptoms: fever, an insistent cough and shortness of breath.
Here are the most common symptoms of the novel coronavirus
“We usually swab from a spot inside the nose or mouth and look for the virus there."