As the conflict in eastern Ukraine grinds on, a hidden crisis that began long before the fighting is becoming increasingly severe. Ukraine has one of the highest rates of HIV/AIDS in Europe and, in the war-torn east of the country, the rates of HIV are increasing three times faster than in the rest of Ukraine. With Russia-backed separatists banning most international medical organizations and taking a harsh stance toward people living with HIV/AIDS, many who can, flee the region, becoming some of Ukraine's most vulnerable IDPs. Photographs by Misha Friedman. Reporting for this story was partially funded by the Pulitzer Center.