The most well-known disease that affects the immune system itself is AIDS, an immunodeficiency characterized by the suppression of CD4+ ("helper") T cells, dendritic cells and macrophages by the Human Immunodeficiency Virus (HIV).
Which types of cells are suppressed by AIDS?
{'text': 'CD4+ ("helper") T cells, dendritic cells and macrophages', 'answer_start': 131}