Immunization against pneumococcal disease for selected individuals: Immunocompetent patients [eg, routine vaccination for patient ≥50 yr, patient ≥2 yr w/ chronic CV disease (including CHF & cardiomyopathies), chronic pulmonary disease (including COPD & emphysema) or DM; alcoholism, chronic liver disease (including cirrhosis) or cerebrospinal fluid leaks; functional or anatomic asplenia (including sickle cell disease & splenectomy); patient ≥2 yr living in special environments or social settings (including Alaskan Natives & certain Native American Indian)] or immunocompromised patients (eg, patient ≥2 yr w/ HIV infection, leukemia, lymphoma, Hodgkin's disease, multiple myeloma, generalized malignancy, chronic renal failure or nephrotic syndrome; receiving immunosuppressive chemotherapy (including corticosteroids), organ or bone marrow transplant.