Why do square dancing get AIDS?

Square dancing how can get AIDS ah, AIDS infectious pathways are three 1. Sexual transmission: AIDS is a sexually transmitted diseases, whether with infected persons for heterosexual sexual contact or homosexual sexual contact will spread the virus, belonging to the main infectious pathway of new HIV infections; 2, blood transmission: blood transfusion, skin and mucous membrane breakthroughs can be transmitted through the pathway, such as dentistry, stomatology operations, Gastroscopy, enteroscopy and other operations may lead to infection, or go to the medical beauty clinic to carry out invasive operations, blood transmission may occur; 3, mother-to-child transmission: if a pregnant woman has AIDS, and does not carry out blocking measures, the HIV virus can be transmitted to their children. So it's impossible to get AIDS from just square dancing alone.