DENVER (CBS4) – A Denver family physician has been prescribing a controversial medication to his patients, sick with coronavirus, and believes it is yielding positive results. Dr. Constantine Tsamasfyros, who has been a primary care doctor in Denver for nearly 50 years, told CBS4 Investigator Brian Maass he has prescribed a combination of hydroxychloroquine (also known as Plaquenil) and an antibiotic called azithromycin to about a dozen patients over the last few weeks. “They all did well. They seemed to reverse their symptoms in a day or two,” said Tsamasfyros, who said he “absolutely” believed the medication was working. “If...