AIDS (Acquired Immuno Deficiency Syndrome) is human immunodeficiency syndrome, a series of diseases caused by human immunodeficiency virus or HIV. It may also be referred to as HIV disease or HIV infection. AIDS -related complex or ARC is the initial phase of infection with the human immunodeficiency virus (HIV) and it includes symptoms such as low-grade fever, weight loss, diarrhea, bacterial/fungal infections etc. Whereas AIDS or Acquired Immune Deficiency Syndrome is the advanced form of HIV infection. So, the correct answer is 'Initial form of AIDS '. AIDS can be transmitted through the following modes: 1. Through unprotected sexual act: It is the most common mode of HIV transmission from an infected partner to a healthy partner. 2. Through blood transfusion: Blood donated from an infected person can affect a healthy person and cause AIDS due to transmission of HIV virus. 3. AIDS (Acquired Immune Deficiency Syndrome or Acquired Immunodeficiency Syndrome) is a syndrome caused by a virus called HIV (Human Immunodeficiency Virus). Was this answer helpful?