Some experts now question certain long-held infection control practices, like mask-wearing and draping, because clinical study results are inconclusive and sometimes contradictory. Yet, simultaneously, their concerns about bloodborne pathogens have strengthened the rationale for maximizing barrier protection during surgery. While these two trends may seem contradictory, they are in fact working in unison to create a more efficient and effective approach to personal protection in the OR. Here's a look at this evolution.