Published online by Cambridge University Press: 02 January 2015
Because of the similarities in the spread of hepatitis B virus and the human immunodeficiency virus (HIV), health officials have been concerned about the acquisition of HIV infection by health care workers. This concern has led to numerous cross-sectional and prospective cohort studies during the last 3 years to evaluate the risks involved. The risk of occupationally acquired HIV infection has been shown to be considerably less than that of hepatitis B virus infection, however needlestick transmission has occurred.