An Indian returnee, who tested positive for Covid-19, has escaped from the isolation ward of Chuadanga Sadar Hospital on Tuesday. The Covid patient has been identified as Abul Kalam Azad, 45, son of Siraj Ali of Nandani village in Bholahat upazila of Chapainawabganj district. Resident medical officer of the hospital, Dr Wahid Mahmud Robin said the patient had been undergoing treatment in the red zone of the isolation ward of the hospital since January 9.  "He went missing from the hospital on Tuesday afternoon." Read: Global Covid cases surpass 333 million Kalam returned from India on January 9 through the Darshana border and tested positive for Covid-19. Later, he was taken to Chuadanga Sadar Hospital. On Tuesday morning, the hospital authorities collected his sample for retest and his results emerged negative, said Dr Wahid. "We suspect that Kalam left the hospital without informing anyone."