Amid surge in COVID-19 cases in Bengaluru, four patients have shown black fungus symptoms in city's Manipal Hospital. "Mucormycosis and Aspergillus are present in black fungus cases. Mucormycosis is more aggressive than Aspergillus. The treatment...for both types is anti-fungal medication," Senior Consultant, ENT, Dr Santosh Shivaswamy, said. On Wednesday, Bengaluru reported 114 COVID-19 cases.