Ghaziabad: ENT (Ear-Nose-Throat) specialist Dr. BP Tyagi shows yellow fungus infected tissue, after performing an extended Functional Endoscopic Sinus surgery on Rajesh Kumar, a mucormycosis patient from Muradnagar, at a hospital in Ghaziabad, Friday, May 28, 2021. (PTI Photo/Manvender Vashist)