Four more people, who were infected with Covid-19, were on Wednesday discharged from the AIIMS, Raipur, after they fully recovered from the infection, health officials said. “Four male patients of aged 22, 31, 47 and 52 years, all residents of Katghora, were discharged after all of their reports were found to be satisfactory,” communication officer, AIIMS, Raipur, HS Sharma said. Notably, Katghora is currently the hotspot of Covid-19 infection in the state. With the positive development, the numbers of Covid-19 patients in Chhattisgarh has been reduced to 16. On Tuesday, three patients were discharged from the AIIMS, Raipur.