Question: Answer the following question given this paragraph: Immunodeficiency occurs when the immune system is not working properly. As a result, it cannot fight off pathogens that a normal immune system would be able to resist. Rarely, the problem is caused by a defective gene. More often, it is acquired during a person's lifetime. Immunodeficiency may occur for a variety of reasons:. Q: What occurs when the immune system is not working properly? Choices: - allergy - cancer - anemia - immunodeficiency A:
Answer:
immunodeficiency