Question

how hiv aids has comes?  

Answer 1

hiv aids has been came when a person get sexual contact with infected person.
in this disease immune system has become week of a person so they carry any type of disease easily.
        plz  mark  it best

Answer 2

It was first seen in the USA...
In AIDS ...the retrovirus HIV damages the immune system for which the body's immune system slowly decreases...
A AIDS patient may suffer from many diseases at a same time ....

It is an Incurable Disease...