英语艾滋病

艾滋病

Acquired immunodeficiency syndrome (AIDS) is an AIDS virus,that the human immunodeficiency virus (human immunodeficiencyvirus.called HIV) dormant in the human body and the human immune function and occurrence of a variety of human tumors and incurable infection,finally led to the deaths of a serious infection diseases.AIDS is the generic AIDS medicine, "acquired immune deficiency syndrome," Acquired Immune Deficiency Syndrome first word acronym.Expression of the name of the concept of AIDS, AIDS, we can learn from the three clearly defined :Acquired : etiology is acquired at birth rather than have the access.Said : defects in the immune pathogenesis.The damage was mainly caused by the body's immune system and cause the immune system to reduce the protective function loss.Immune deficiency is a common feature : a.. B. increased susceptibility to infection. Prone to cancer;c. The clinical and pathological features diversity.SARS : at the clinical symptoms, as a result of defects in various immune system against opportunistic infections,Tumors arising from the complex syndrome.AIDS is a retrovirus infection caused by the body's immune defense system diseases.In a normal human body, the immune system plays a good body of the "defensive",various pathogens to resist the attack.But one HIV-infected, a good body defense system will be destroyed, defense dysfunction.Then microbial pathogens and thus able

to drive straight into the opportunity Hematogenous wounds and broken.In addition, the number of abnormal body cells, such as cancer cells, also flew rapid growth, large population,develop into all types of cancer.In other words, the immune system of AIDS patients is mainly expressed serious injury, the body resistance decreasedSome serious infections and even induced a rare carcinoid tumor.AIDS originated in Africa, young people are also in Haiti in 1979 and distributed by the immigrants into the United States.June 5, 1981, the United States Centers for Disease Control in Atlanta.first in the "Morbidity and Mortality Weekly," a brief introduction to the five cases they found that the history of AIDS patients.1982 will be officially named the disease "AIDS."Soon after, the rapid spread of AIDS in the continent.In June 1985, in Shanghai by a young American male tourists from Argentina AIDS patient cured invalid.died in the country, this is the first case of AIDS in China.AIDS has been in China since 1985 and nearly 10,000 people enter the AIDS virus carriers.According to speculation in the next few years : AIDS trend is downward trend in the developed countries is,while for developing countries was a sharp upward trend.Known as "contemporary plague" and "super cancer" AIDS has caused the World Health Organization (WHO) and national governments attach great importance to it,The inputs of both staff and financial resources to be top priority, China has been included in Category B