AIDS is the most severe phase of HIV infection, when a person’s immune system is severely weakened. When HIV weakens the immune system opportunistic infections occur in the body. The low number of helper T cells in the blood and the badly damaged immune systems leads the infected to get an increasing number of severe illnesses, called opportunistic illnesses. Opportunistic infections are infections caused by pathogens that take advantage of an opportunity not normally available.
They are caused by sexual contacts
and for AIDS specifically it can also be caused by mixing of blood, by contacting the blood of an infected person, or by mother's blood transfered to feotus
it can also be transmitted by sharing of syringes or needle s
I'm almost positive the answer is Temple Grandin
