AIDS (Acquired Immune Deficiency Syndrome) is a disease of the human immune system caused by the human immunodeficiency virus (HIV). Each year World AIDS Day is celebrated to raise awareness about AIDS because from 1981 to 2007 more than 25 million people have been killed because of AIDS and it is very important to raise awareness about it. This day is celebrated on December 1st.

Here are photos from World AIDS Day 2011 raising awareness in creative styles.

World AIDS Day 2011 Photos

Indian school children form a red ribbon, the universal symbol of awareness and support for those living with HIV, in Ahmadabad, India.

World AIDS Day 2011 Photos

An “HIV+” symbol made with candles on the steps of the Finnish Parliament.

World AIDS Day 2011 Photos

A woman attaches a condom to the board during an AIDS campaign to increase awareness of the sexually-transmitted disease in Seoul, South Korea.

World AIDS Day 2011 Photos

A red ribbon is displayed on the North Portico of the White House.

World AIDS Day 2011 Photos

Fireworks burst behind the Sydney Opera House that is bathed in red light in Sydney, Australia,

World AIDS Day 2011 Photos

Romanian volunteers hold hands to form a red ribbon during a flash-mob in downtown Bucharest.

World AIDS Day 2011 Photos

(Photos / Info via Boston)

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