What does hvi mean?

AIDS is a very harmful infectious disease, which is caused by HIV infection. HIV is a virus that can attack the human immune system. It takes CD4T lymphocytes, the most important cells in human immune system, as its main target, and destroys them in large quantities, making human body lose its immune function.

Therefore, the human body is prone to various diseases and malignant tumors, and the mortality rate is high. The average incubation period of HIV in human body is 8 ~ 9 years. In the incubation period of HIV, infected people can live and work for many years without any symptoms. Studies show that AIDS originated in Africa and was brought to the United States by immigrants.

On June 5th, 198 1, the US Centers for Disease Control and Prevention published five cases of AIDS in Morbidity and Mortality Weekly, which is the first official record of AIDS in the world. In 1982, this disease is named "AIDS". Soon after, AIDS quickly spread to all continents.

HIV is also called human immunodeficiency virus, and the sexually transmitted diseases caused by this virus infection are also called AIDS. According to the basic knowledge of normal Bai people, HIV infection has an uncertain crisis period, which may range from several months to many years. During this period, symptoms are not easy to appear, but in fact, pathogens have always existed.

Transmission mode of hvi virus:

1, blood transmission, accepting blood or blood products infected with HIV, intravenous drug use, and transplanting tissues and human organs of HIV-infected people or AIDS patients are all at risk of HIV infection.

2. Sexual contact, sexual behavior between friends of the same sex or the opposite sex is the transmission route of AIDS. Having sex with HIV carriers or AIDS patients (including sexual life, anal sex, oral sex and deep kissing when oral mucosa is damaged). ) according to the exchange of body fluids, it can be infected.

3. Mother-to-child transmission, also known as vertical transmission. Pregnant women infected with HIV can immediately transmit HIV to their babies according to their embryos, and can also transmit HIV to newborn babies according to childbirth and postpartum breastfeeding. It should be noted that contact with AIDS patients and carriers in daily life and work is not easy to be infected.