coup d'Ã©tat. a sudden and decisive action in politics, especially one resulting in a change of government illegally or by force. Origin of coup d'Ã©tat.
The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and acquired immunodeficiency syndrome (AIDS).AIDS is a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive.he human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and acquired immunodeficiency syndrome (AIDS).
HIV (human immunodeficiency virus) is a contagious, deadly virus that is spread through blood, blood products, and other body fluids, such as semen. Early symptoms of HIV infection include cough, body aches, headaches, nasal congestion, sore throat, and cough. Some people have no early symptoms at all and may appear healthy. However, untreated HIV infection is connected to many diseases, including heart disease, kidney disease, liver disease, and cancer. HIV infection can lead to AIDS (acquired immune deficiency syndrome).