AIDS will not spread through kissing

HIV-infected people's saliva contains only a trace amount of the AIDS virus and therefore not sufficient to cause infection. It was estimated that if the virus in saliva to reach the number of infections rise, it is necessary to drink a 20 ml saliva of infected people. Studies have shown that HIV spread need to have the following conditions: detoxification: the virus from infected body discharges; survival: eliminated from the body of pathogens can survive;: the emission of sufficient quantity of the virus; to enter: conditional virus into the blood. However, HIV-infected people in the saliva contains only a trace amount of the AIDS virus and therefore not sufficient to cause infection. It was estimated that if the virus in saliva to reach the number of infections rise, it is necessary to drink a 20 ml saliva of infected people. U.S. scientists also found in saliva known as a "secretory leukocyte protease inhibition," the protein, this protein in the test tube has effectively inhibit HIV infection in human immune cells. Kiss general it will not cause the spread of AIDS. However, deep kissing and oral with infected people or bleeding ulcer, would increase the risk of infection. In addition, if oral sex when the semen of infected people released into the oral health of people, infection can occur.