No one knows. Scientists only speculate the origin. It has not been proven.
If injected with the virus HIV, they would be infected.
It would be unlikely to get HIV in the manner you describe.
No, you will not be infected in that manner.
HIV-positive means you are infected with the human immunodeficiency virus. HIV-negative means that you are not infected with the HIV.
In order to contract HIV from blood, it must be infected with the virus. Otherwise, you will not contract HIV.
You can not be infected with HIV though casual contact.
Chances are low to be infected with HIV in this manner.
The chances of getting infected with HIV by ingestion of HIV-infected blood is very small.
the answer is yes.you may get HIV by kissing someone infected, but you would have to pass spit.aka tongue kissing.
If you are infected with chlamydia, you will be more likely to be infected with HIV, if exposed.
Not sure if I understand your question. But, the answer is no you cannot get HIV from smoking anything.
No. In order to have the disease known as AIDS (which is not a virus itself, but a syndrome), a person needs to be infected by the HIV virus. It is the HIV virus that causes AIDS.