First, HIV cannot live outside the human body for more than a few minutes so the chances of somebody contracting AIDS from a needle sitting in a seat are slim to none.

HIV resistance to the outside environment is weak, leaving the body, the normal temperature can only survive a few hours to several days.

Chu by a large network reprint Tencent aroused the concern of thousands of users and threads, and many of them concerned about the people: to leave the human AIDS virus (HIV), can survive long?