👉 Nancy infection, also known as Nancy disease or Nancy's syndrome, is a rare and often fatal condition characterized by severe systemic inflammation and infection. It typically arises from an overactive immune response to an unknown trigger, leading to widespread vasculitis (inflammation of blood vessels) and sepsis. This can result in multi-organ failure, including damage to the lungs, kidneys, liver, and heart. Symptoms include high fever, rash, joint pain, and organ dysfunction, often progressing rapidly and without clear initial causes. The condition is particularly dangerous due to its rapid onset and the potential for life-threatening complications, making early diagnosis and aggressive treatment critical for survival.