News How does the coronavirus cause COVID toes or loss of smell? Here’s how the immune system reacts. May 18, 2020May 18, 2020 USA TODAY Comments Off on How does the coronavirus cause COVID toes or loss of smell? Here’s how the immune system reacts. Cough, shortness of breath, fever, chills, muscle pain, sore throat and a new loss of taste or smell are some of the symptoms listed by the CDC.