Synopsis Black fungus, which is usually found in the nasal, oral and orbital cavity, invaded the brain of some patients and turned into cerebral fungus, thereby causing their death. Agencies (This story originally appeared in on Jul 14, 2021)Mucormycosis or black fungus has emerged as a bigger challenge than Covid-19 in the capital for now. Currently, there are far more active black fungus cases than Covid-positive cases. These are mostly patients who took steroids without a doctor’s prescription and used oxygen cylinders at home while they were infected with the virus. Black fungus, which is usually found in the nasal, oral and orbital cavity, invaded the brain of some patients and turned into cerebral fungus, thereby causing their death.