AIDS pathogen called human immunodeficiency virus (Human immunodeficiency virus, HIV). HIV is a retrovirus, cell sprouting, poison grain size of 100 ~ 140nm. Viral proteins are mainly nuclear protein, membrane proteins and enzymes and the replication protein 3. HIV on T4 cells have a special tendency; on the heat-sensitive, 56 ℃, 30 分钟 inactivated; many chemical substances can rapidly inactivate HIV, such as ether, acetone, 20% ethanol and all of the hepatitis B virus effective disinfectant, on the inactivated HIV also have a good effect. But not sensitive to UV.
2 Pathogenesis
The body's immune system can kill bacteria and viruses harmful to human, as general insurance defense system to protect the human body, AXA China from harm. Once the immune system to collapse completely lost the human body resistance, even the infected human and animal diseases are not common, and may therefore disease, such as Newcastle disease, foot and mouth disease. AIDS patients because of the lack of resistance to any virus may be made near as any disease, this is the opportunistic infection.
AIDS is a disease caused by the virus to be transmitted through specific channels to enter the human body, and infection or patients live or work, and there is no risk of infection; shake hands, kiss, hug, bathing, swimming, lessons and other daily living are not infected.
Specific routes of infection are three major types, namely:
