TY - GEN AU - Welsh,Raymond M AU - Selin,Liisa K TI - No one is naive: the significance of heterologous T-cell immunity SN - 1474-1733 PY - 2002///0718 KW - Adipose Tissue KW - immunology KW - Animals KW - Humans KW - Immunologic Memory KW - Lung KW - Lymphocyte Activation KW - Mice KW - Models, Immunological KW - Receptors, Antigen, T-Cell KW - metabolism KW - T-Lymphocytes KW - Virus Diseases KW - Viruses N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Review UR - https://doi.org/10.1038/nri820 ER -