Top 10 Most Famous Cultural Monuments Around the World. 1. The Kaaba (Masjid al-Haram) is a cuboid-shaped building in Mecca, Saudi Arabia, and is the most sacred site in Islam, oldest and top the most Famous Cultural monuments in the world.
STD's are diseases caused by bacteria or viruses. AIDS is a syndrome caused by having HIV, which is a type of STD. So HIV is the STD, AIDS is a very very late symptom.
STDs are sometimes referred to as sexually transmitted infections (STIs) or veneral diseases (VIs) because they involve the transfer of a disease causing organism from one person to another during sexual activity. The term sexual contact includes kissing, oral-genital contact, the use of sexual toys such as vibrators, and sexual intercourse.