Having a weakened immune system caused by certain diseases or treatments.
Refers to an immune system incapable of fighting disease.
Not able to offer resistance to infection.
Lacking the normal ability (immune system) to respond to infection or tissue damage. Many factors, ranging from drugs to viral infection (e.g., HIV, AIDS) may affect the immune system adversely.
The state of having a deficient immune response either due to a primary immune disorder or to administration of immunosuppressive agents.