(a) MALT stands for "Mucosa-Associated Lymphoid Tissue", which is a part of the immune system located in the lining of various organs such as the gastrointestinal and respiratory tracts.
(b) CMI stands for "Cell-Mediated Immunity", which is a type of immune response mediated by T cells that recognize and attack infected or abnormal cells.
(c) AIDS stands for "Acquired Immunodeficiency Syndrome", which is a condition caused by the human immunodeficiency virus (HIV) that weakens the immune system and makes individuals more susceptible to infections and certain cancers.
(d) NACO stands for "National AIDS Control Organization", which is a governmental agency in India responsible for implementing and coordinating programs to prevent the spread of HIV/AIDS.
(e) HIV stands for "Human Immunodeficiency Virus", which is the virus that causes AIDS by attacking and destroying cells in the immune system, particularly CD4+ T cells.