What is HIV

summary

AIDS is caused by HIV, and the virus is very infectious, survival ability is also very strong, and you explain the AIDS virus related knowledge.

What is HIV

First, human immunodeficiency virus (HIV); abbr:HIV ）AIDS (acquired immune deficiency syndrome) virus is a kind of virus that causes the defect of human immune system. In 1983, human immunodeficiency virus was first discovered in the United States. It is a lentivirus that infects the cells of human immune system. It is a kind of retrovirus.

Then HIV destroys T lymphocytes of human body, blocks cellular immunity and humoral immunity, leading to paralysis of immune system, which leads to the spread of various diseases in human body and eventually leads to AIDS. Due to the rapid mutation of HIV, it is difficult to produce specific vaccine. So far, no suitable treatment has been found, which is a great harm to human beings.

Finally, on March 4, 2015, scientists from many countries found that the four known strains of HIV are all from chimpanzees and gorillas in Cameroon, which is the first time that all sources of HIV strains have been completely identified. Pay attention to contact with animals in life.

matters needing attention

In life, we should pay attention to personal hygiene, especially when donating blood, we should go to the regular blood donation center to donate blood, pay attention to the hygiene of sexual life, and the fixation of sexual partners, do not go to some informal places, do not eat some snacks.