Study Says COVID-19 Symptoms Often Appear in a Certain Order, But Experts Are Skeptical

Thomas A. Russo, MD, professor of medicine and chief of the Division of Infectious Diseases, was featured in stories about how COVID-19 symptoms can overlap with the common cold, flu or allergies. “If someone presents with cough first and fever afterward, I wouldn’t assume it’s not COVID,” said Russo. “It’s an interesting guide, but you should never let symptoms alone drive whether or not you should do a test.”