One of the more often repeated reasons you hear as to why everyone should get vaccinated is “to protect the immunocompromised”—those persons whose immune system is so weakened or suppressed that they cannot tolerate the effects a vaccine might have on them. These may include patients who are undergoing treatment for a medical condition. For example, chemotherapy for cancer. It may include people with AIDS, or organ transplant patients who are on immunosuppressive drugs. It may include individuals who have inherited diseases, such as congenital agammaglobulinemia or congenital IgA deficiency, that affect their immune system.
Read full story here: The Immunocompromised Still Get Vaccinated