Immunocompromised patients, this includes human immunodeficiency virus (HIV)-positive patients Patients known to be human immunodeficiency virus (HIV) positive and currently receiving retroviral therapy are not eligible; note: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for the study Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy\r\n* NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; Note: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Known to be human immunodeficiency virus (HIV) positive or immunocompromised with posttransplant lymphoproliferative disorder (PTLD) Immunocompromised patients with increased risk of opportunistic infections, including known HIV-positive patients Immunocompromised patients (other than that related to the primary oncologic diagnosis or to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive are not eligible Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive Human immunodeficiency virus (HIV) positive or immunocompromised Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial; patients with HIV on antiretroviral therapy other than zidovudine (AZT) and/or stavudine and without prior acquired immunodeficiency syndrome (AIDS) defining conditions and adequate CD count (> ) are eligible Immunocompromised patients or patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients, including patients known to be HIV positive Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Is immunocompromised, including subjects with known human immunodeficiency virus (HIV) infection Immunocompromised participants, including participants known to be infected with human immunodeficiency virus (HIV). Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy\r\n* NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients (other than that related to the use of corticosteroids) including patients confirmed to be human immunodeficiency virus (HIV) positive or have active viral hepatitis Immunocompromised patients, including those with human immunodeficiency virus (HIV) Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients with a known history of HIV infection are not eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive, per medical doctor (MD) discretion Immunocompromised subjects, including subjects known to be infected with human immunodeficiency virus (HIV). Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients or patients known to be human immunodeficiency virus (HIV) positive and currently receiving combination antiretroviral therapy; patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be HIV positive with a CD count of < Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy (HIV testing not required); NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state (cluster of differentiation [CD] > , viral load undetectable, on antiretroviral therapy), are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy; NOTE: patients known to be HIV positive, but without clinical evidence of an immunocompromised state, are eligible for this trial Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive (HIV / antibodies) and currently receiving antiretroviral therapy