Black fungus: Use of industrial oxygen cylinders for COVID-19 patients be linked to rise in mucormycosis cases?

Mumbai doctors have expressed doubts that the usage of non-medical grade oxygen cyclinders for COVID-19 patients could have played a possible role behind the rise in black fungus cases across the country.

source https://zeenews.india.com/india/black-fungus-use-of-industrial-oxygen-cylinders-for-covid-19-patients-be-linked-to-rise-in-mucormycosis-cases-2364731.html