| frequency of vaccine-related and therapeutic injections--romania, 1998. | in romania and other countries, therapeutic injections have been associated with transmission of hepatitis b and c viruses, human immunodeficiency virus type 1 (hiv-1), and other bloodborne pathogens. during 1997-1998, acute hepatitis b was associated with recent injections in romanian children aged <5 years. injection-associated bloodborne pathogen transmission occurs when infection-control practices are inadequate, and overuse of injections to administer medications might increase opportunitie ... | 1999 | 10227802 |