👉 Non-immune, also known as non-reactive or immunodeficient, is a condition in which an individual's immune system is not functioning properly. This means that their body does not produce any antibodies to fight off infections or diseases. Instead, the immune system tries to defend against these infections by producing weaker versions of antibodies called helper T-cells and cytotoxic T-cells. Non-immune individuals can still experience symptoms such as fever, coughing, shortness of breath, fatigue, and