The recent corona pendemic which occurred in 2019 but still in a rising trend even in 2021. The recent third wave of this pandemic caused a serious crisis in many countries including Pakistan, India and Bangladesh. According to the experts, these countries are still expecting a fourth wave which is considered to be due to delta strain of SARS-COV2. The definitive treatment for the management of the COVID-19 affected patients is still under consideration but the steroidal therapy and use of oxygen therapy frolicked a very vivacious part in the management of this pandemic. It is being reported that the patients of COVID-19 who were treated with steroidal therapy are more at risk of getting opportunistic infections like Mucormycosis, black fungus that spread hurriedly as well as a hasty in addition to prompt diagnosis is prerequisite for disregarding any supplementary impediments that may lead to surge in mortality rate. Black fungus is communal in the immunosuppresed patients, which is instigated by the filamentous hyphea of mucormycosis when these spores inhaled. Recents reports revealed an amassed inclination in patients with the mucormycosis infection which is typically occoured in patients with the immunosuppressive state such as with the diabetes mellitus, cancer or treatment with steroids to decrease the cytokine storm in patients like this.

Keywords: Mucormycosis, Delta strain, Mortality rate, Filamentous, Cytokine storm