Recently, an emergency health problem erupted that worried the world, which is the black fungus infection associated with Covid-19, especially in India and some regions of the Middle East. The members of genus Rhizopus or Mucor resulted the common mucormycosis. Humans become infected by inhaling and depositing the spores of fungi in the tissues of the body. Rhinocerebral is the site most susceptible to infection . Several factors may have contributed to an increase in the incidence of mucormycosis in patients with COVID-19, including hypoxia, steroid-induced elevated blood glucose levels, and diminished phagocytic action of leukocytes due to immunosuppression, and non-sterile medical supplies. In addition, there is an unsanitary phenomenon resorting to some people in India, it is smearing the body with cow dung and urine, which may have a role in the spread of the black fungus infection. Proper use of both the dose and duration of steroids is essential to avoid an increase in cases of mucormycosis, especially when caring for critically ill COVID-19 patients.

Keywords : Black fungus, infection, health problem.