Bulgaria on Sunday confirmed four coronavirus cases out of 70 people tested, the first such confirmed cases in the country. A 27-year-old who was treated at the Lung Diseases Hospital in the central Gabrovo province and 61-year-old who had contact with the patient both tested positive for the virus, officially known as COVID-19, according to Bulgarian health officials. In addition, a 75-year-old woman who was treated for respiratory diseases and ...