CNN  — 

Scientists are learning more each day about the mysterious novel coronavirus and the symptoms of Covid-19, the disease it causes.

“We know more now about how it makes people sick,” said infectious disease expert Dr. William Schaffner, a professor of preventive medicine and infectious diseases at Vanderbilt University School of Medicine in Nashville.

Fever, cough and shortness of breath are still key signs that you might have Covid-19, but experts now know there are other red flags signaling infection. Some mimic a typical cold; others mirror the flu; and a few are just downright bizarre.

“We’ve learned about Covid toes, the loss of taste and smell,” Schaffner said.”We’ve learned that it can a