In this , Tuesday, Feb. 1, 2011 photo Andrei, a 2-year-old HIV-positive boy in the Ukrainian city of Cherkassy hides his face in his hands as his mother Yelena, 33 embraces him in Cherkassy, Ukraine. Ukraine has Europe's worst AIDS epidemic _ and it risks getting much worse because of drug supply cuts blamed on government corruption and official harassment of AIDS groups and HIV-infected drug users, health experts warn. (AP Photo/Efrem Lukatsky)