New Delhi, May 23 -- A worker from one of the hostel canteens at the All India Institute of Medical Sciences (AIIMS) died of coronavirus disease (Covid-19) on Thursday night, making him the first known death in a hospital campus in Delhi. "He had some cardiac issues and he was positive for Covid-19. He did not work in any patient area," Subhashish Panda, deputy director of administration at AIIMS, said. He worked at the hostel mess of the Rajendra Prasad Centre for Ophthalmic Sciences, which is frequented by doctors, nurses and other health care workers....