While gastrointestinal symptoms like anorexia and diarrhea are common in both patients with COVID-19 and those without, these symptoms plus a loss of smell, taste and fever were 99% specific for COVID-19, according to a study published in Gastroenterology.“Current testing guidelines should highlight the symptoms of loss of smell, taste, fever, anorexia and diarrhea as highly specific for COVID-19 infection,” Alan Chen, MD, from the Institute of Digestive Health and Liver Diseases at Mercy Medical Center and the department of medicine at the University of Maryland School ofRead More