om kondomer som skydd http://www.who.int/hiv/topics/condoms/en/ Position Statement on Condoms and HIV Prevention according to the World Health Organization most effective http://www.who.int/hiv/topics/condoms/en/ Organizzazione Mondiale della Sanità WHO om detta 80% effective condom use does help prevent AIDS condom use does help prevent AIDS UNAIDS, WHO & UNFPA, 2009 Condoms for HIV Prevention