HIV can be transmitted from an infected person to another through

Blood, Semen, Vaginal secretions and Breast milk. 

Blood contains the highest concentration of the virus, followed by semen, followed by vaginal fluids. Breast milk can also contain a high concentration of the virus, but in this situation, transmissibility depends on who and how. An adult can ingest a small amount of breast milk at no probable risk. But an infant, with its very small body and newly forming immune system, consumes vast quantities of breast milk relative to its body weight.

Non-infectious "bodily fluids"

Saliva, Tears, Sweat, Feces, Urine. 

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