Tatiana is HIV-positive and lives in Ukraine with her three children. She contracted the virus from her husband, who died last year.
A picture hanging on Tatiana's living-room wall represents a perfect holiday, far away from the reality of the house it sits in.
Konstantin is a medic, social worker and bar owner. He suffers from Hepatitis C and has devoted most of his time to helping drug users take the necessary precautions to avoid a similar fate. He has a glass eye from trauma he suffered during the Chechen conflict.
A typical courtyard in Odessa, Ukraine. Ukraine has one of the highest rates of HIV infection in Europe, according to the United Nations Program on HIV/AIDS.
Roman prepares his methadone inside an unused building in Kiev, Ukraine. The 17th floor is a secret spot where drug users can shoot up.
Two nurses take a break outside of a maternity ward in Kramatorsk, Ukraine. According to photographer Pascal Vossen and writer Nils Adler, the ward had no functioning toilets -- a sign of its poor condition.