The following are some well-known abbreviations, which have been used in this chapter. Expand each one to its full form: (e) HIV
HIV: Human Immuno-deficiency virus. It is a member of retrovirus and surrounded by RNA genome. It causes AIDS. This virus multiples by reducing the number of T-lymphocytes which is a white blood cell. As the immune power gradually decreases, the person is exposed to all the diseases. There no antibiotics for this diseases. Final Answer Abbreviations are used to reduce the difficulty in remembering long/hard phrase or word. Before making an abbreviation official, it is need to be approved by medical council. This step majorly reduces the mistake and confusions in abbreviations.