can also be transmitted when an HIV infected mother nurses
             Once HIV enters the body it infects many cell and replicates itself rapidly. Two to
             four weeks after the person is infected with the virus, they begin to suffer flu-like
             symptoms. HIV also is spread through contact with infected blood. Before blood was
             screened for evidence of HIV infection and before heat-treating techniques to destroy HIV
             in blood products were introduced, HIV was transmitted through transfusions of
             Laboratory studies reveal that saliva has natural properties that limit the power of
             HIV to infect. Research studies of people infected with HIV have found no evidence that
             the virus is spread to others through saliva such as by kissing. Scientists also have found
             ...