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 sexually transmitted diseases. This means they are most often -- but not exclusively -- spread by sexual intercourse. HIV, chlamydia, genital herpes, genital warts, gonorrhea, some forms of hepatitis, syphilis, and trichomoniasis are STDs. STDs used to be called venereal diseases or VD.