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.
Difference between Syphilis and Gonorrhoea. The sexually transmitted diseases are a group of communicable diseases that are transmitted predominantly by sexual contact and caused by a wide range of bacterial, viral and protozoans etc. Examples of Sexually Transmitted Diseases (STD)