Probiotics, live cells with different beneficiary characteristics, have been extensively Studied and explored commercially in many different products in the world. Their benefits to human and animal health have been proven in hundreds of scientific research. Lactobacillus and Bifidobacterium are the main probiotic groups; however, there are reports on the probiotic potential of Pediococcus, Lactococcus, Bacillus, and yeasts. Some of the identified probiotic strains exhibit powerful anti-inflammatory, antiallergic, and other important properties.

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COVID-19 patients have lower immunosuppressive CD4+ T and CD8+ T cells and henceforth patients in intensive care units (ICU) need mechanical ventilation, henceforward they stay in hospitals. These patients have been exposed to advances in fungal co-infections. COVID-19 patients progress towards mucormycosis a black fungal infection that is deadly leading to loss of sight and hearing and eventually death. This article discusses the clinical manifestations, risk factors and emphases on virulence traits and management of black fungus.