In pictures: Facing HIV

1 of 12 Samkelisiwe embraces her mother in the TB ward of Ngwelezane Hospital, Natal, South Africa. Their picture is one of over 1000 taken by Positive Lives, a collaboration bringing together photographers, charities and people living with HIV.

2 of 12 Lumpai Sirattanan in Thailand holds her emaciated husband during his final hours. He was once a Thai boxing champion. Lumpai has also tested positive.

3 of 12 Andrew with his partner Angela outside a hospital in Australia after another attack of HIV-induced pneumonia.

4 of 12 Danusor celebrates his birthday in Thailand. He is three years old and is HIV positive. His nickname is "Dinosaur".

5 of 12 Joseph Gabriel, Mwanza, Tanzania: "At the moment my life is rich. I have no pain. My belief in God makes me happy and I have the love and care of my family."

6 of 12 Frank, who is living with HIV in the UK, with his cupboard full of medication.

7 of 12 Noora, in the Philippines: "All I want is to be here to raise my daughter."

8 of 12 Government Hospital, Malawi: "Thirty-five to forty percent of illness at the hospital is Aids-related. We lack equipment, staff and medicines," says Director Dr Maurice Bonongwe. "We are overwhelmed in every aspect of the epidemic."

9 of 12 Hospital ward, UK. Steven described it to his frequent visitors as his "West End Hotel".

10 of 12 Marina lives in Cambodia. Both of her parents are HIV positive, but she has tested negative.

11 of 12 This Mozambican student fears stigma too much to reveal his identity. Positive Lives, a collaboration between the Terrence Higgins Trust, Network Photographers and the Levi Strauss Foundation aims to challenge prejudice surrounding HIV.

12 of 12 Aids seminar, China. [Pictures by Gideon Mendel/Corbis, Fritz Hoffmann/Document China, Dayanita Singh/nbpictures.com, Judah Passow, Eugene Richards, Harriet Logan, Jack Picone - all of Network Photographers, Shahidul Alam/Network Photographers/Drik.]