Since its discovery in 1980, health, HIV has established itself as one of the most dangerous challenges to human survival. But what really means HIV? HIV is the abbreviation for human immunodeficiency virus virus. This is a type of retrovirus that causes a disease known as AIDS Acquired Immune Deficiency Syndrome. AIDS is a syndrome in which the immune system begins to fail and the patient is exposed to the risk of infections, many life-threatening.
In the first stage of HIV infection main components of the human immune system and, directly or indirectly, the cells are destroyed. After enough damage has been done, the immune system begins to malfunction, the state of AIDS. HIV also affects the organs like kidneys, heart and brain. E ‘for opportunistic infections and tumors.
HIV is transmitted in the mucosa of one? S body contact of body fluids such as blood, semen, vaginal fluid, breast fluid or preseminal with HIV. Since its discovery, were three-way, with the HIV virus can enter the human body.
Sexual Course: Most HIV infections are caused by unprotected sex, to explain, oral or vaginal.
Blood or blood components Route: This transmission is risky for those who use intravenous drugs, hemophiliacs and recipients of blood transfusions. In these days the blood is thoroughly tested before transfusion HIV. Blood products are also checked for the same purpose. But it is still important when you are forced to opt for a blood transfusion in a region where the injection is not used in hygienic conditions. In most of the poorest countries, this type of hygienic practices are still widespread. HIV is also available on this route, if one learns tattoos, piercings or in environments below scarifications and certified.
The mother-child transmission (MTCT) This type of transmission from mother to child in the womb, during the last week of pregnancy or childbirth. If the mother has no right to treatment, the transmission between mother and son is 25%. E ‘was shown in the presence of treatment, especially in combination with Cesarian birth, the risk of transmission was 1%. However, HIV can be transmitted from mother to child infection during lactation.
In some cases, the HIV virus in small amounts in saliva, tear, or urine of infected patients, but these types of secretions have little power of disease to another person.
