The appearance of AIDS and the recognition of HIV as its cause has made the prospect of infections transmitted between patients and health workers and between patients more serious. While theoretical routes of transmission can be worked out, the extent to which they are realized in practice is still uncertain. The episode involving a Florida dentist has heightened awareness of the problem and some of the important papers on this episode are discussed in this review. However, HIV is not the only virus spread nosocomially and others, notably hepatitis, are also mentioned.
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