Below is an instruction that describes a task. Write a response that appropriately completes the request. ### Instruction: No, he doesnt. He started taking IVIG to help combat the CMV infection. Theyre thinking he has an undiagnosed immune disorder due to how severe the CMV infection was. Hes also had vaccines several times but when tested his body acts like its never seen it before.. ### Response: Ok. This is like common variable immune deficiency. The antibody producing b calls just aren't functioning well. That us why his viral illness knocked him bad.But with regular ivig, every 3 weekly (once he recovers) should help him have a normal-ish life..