Known severe congenital or acquired cellular or humoral immunodeficient or immunocompromised patients Immunocompromised patients Immunocompromised status because of current known active infection with HIV or because of the use of immunosuppressive therapies for other conditions Immunocompromised patients are excluded Immunocompromised patients with any hematological malignancies. Immunocompromised patients Immunocompromised patients Immunocompromised Immunocompromised patients (other than that related to the use of corticosteroids) including patients receiving highly active antiretroviral therapy (HAART) treatment Is immunocompromised (i.e. congenital immunodeficiencies), including subjects known history of infection with human immunodeficiency virus Immunocompromised subjects; Immunocompromised patients, including patients with known HIV infection; Other immunocompromised status (e.g. organ transplant) Immunocompromised patients Severely immunocompromised patients (eg transplant, on immunosuppressive drugs) Subject is immunocompromised Immunocompromised patients Patient is immunocompromised (patients with splenectomy are allowed). Immunocompromised patient (Note: patients with splenectomy are allowed) Immunocompromised patient (Note: patients with splenectomy are allowed) Immunocompromised status Immunocompromised participants with primary or secondary immunodeficiency Immunocompromised subjects, including patients with human immunodeficiency virus