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.
Sexually Transmitted Diseases (STD), also known as Sexually Transmitted Infections (STI) or venereal diseases (VD) are diseases that are contracted by humans through sexual behavior and activities. You cannot exactly differentiate between HIV (Human Immunodeficiency Virus) and STDs as HIV is a type of STD.