<p>After cases of black and white fungus, both post-Covid complications, have been reported from several states, a first such case of yellow fungus was detected in Uttar Pradesh's Ghaziabad district on Monday, informed Dr. BP Tyagi, an ENT (Ear-Nose-Throat) specialist. Dr. Tyagi said that the patient is also infected with black and white fungus apart from yellow fungus and is currently undergoing treatment at a city hospital. The patient aged 45 is a resident of Sanjay Nagar, he added.</p>.<p>According to Dr. Tyagi, the symptoms of Mucor septicus (yellow fungus) are lethargy, reduced or loss of appetite, and weight loss. As it progresses, severe symptoms such as leakage of pus and slow healing of wounds, sunken eyes due to malnutrition and organ failure and necrosis (a form of cell injury which results in the premature death of cells in living tissue). Yellow fungus is a fatal disease because it starts internally and therefore it is important to note its symptoms.</p>