To learn how radiation treatment may affect your responses to vaccines against pneumonia.
Eligibility criteria
Qualifiers
Group 1A
Group 1B
Group 2A
Group 2B
Disqualifiers
Patients with compromised immunologic responses due to an uncontrolled intercurrent immunodeficiency (e.g., Human immunodeficiency virus (HIV), X-linked agammaglobulinemia) or previous or current immune suppressive therapy
Patients receiving intravenous immunoglobulin (IVIG) during the study or in the three months prior to study enrollment.
Patients with psychiatric illness/social situations that would limit compliance with study requirements.
Individuals with previous pneumococcal vaccination in the last 5 years.