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, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV) and are receiving antiviral therapy (testing is not part of the protocol) 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 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 status because of current known active infection with HIV or because of the use of immunosuppressive therapies for other conditions Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive Human immunodeficiency virus (HIV) positive or immunocompromised Immunocompromised patients are excluded Immunocompromised subjects, e.g., subjects who are known to be serologically positive for 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 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, e.g. patients known to be serologically positive for HIV. Patients do NOT need to be tested for HIV in order to enroll on study Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV) Immunocompromised patients 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 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 CD4 count (> 400) are eligible Immunocompromised patients or patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy 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 (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV). Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV) 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 (other than that related to the use of corticosteroids) including patients receiving highly active antiretroviral therapy (HAART) treatment Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy Immunocompromised patients e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV) Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive with cluster of differentiation (CD)4 counts < 200 Is immunocompromised (i.e. congenital immunodeficiencies), including subjects known history of infection with human immunodeficiency virus Immunocompromised subjects; Is immunocompromised, including subjects with known human immunodeficiency virus (HIV) infection Immunocompromised patients, including patients with known HIV infection; Immunocompromised participants, including participants known to be infected with human immunodeficiency virus (HIV). Immunocompromised patients 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 subjects or those with autoimmune conditions, active hepatitis or positive for 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 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, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV). 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) with the exception of patients known to be human immunodeficiency virus (HIV) positive and have a cluster of differentiation 4 (CD4) count > 400 and do not require antiretroviral therapy 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, e.g., subjects who are known to be serologically positive for human immunodeficiency virus; Subject is immunocompromised 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 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 status Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be HIV positive with a CD4 count of < 400 Immunocompromised participants with primary or secondary immunodeficiency 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]4 > 200, 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 (positive human immunodeficiency virus [HIV] test, transplant recipient, received chemotherapy for cancer, or taking immunosuppressant drugs) Immunocompromised subjects, including patients with human immunodeficiency virus Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive (HIV 1/2 antibodies) and currently receiving antiretroviral therapy