Immune Response to Influenza Vaccine in Islet Cell Transplant Recipients

Influenza virus is an important cause of morbidity in the transplant population and can lead to viral and bacterial pneumonia. Although the annual influenza vaccine is recommended for organ transplant patients, studies have shown that the standard inactivated influenza vaccine has poor immunogenicity in this population. The investigators plan to test the humoral response to vaccination and look at HLA upregulation