Volume 18, Number 3—March 2012
Dispatch
Laboratory Practices and Incidence of Non-O157 Shiga Toxin–producing Escherichia coli Infections
Figure 2

Figure 2. Routine clinical laboratory practice to detect Shiga toxin (Stx)–producing Escherichia coli (STEC) by proportion of laboratories (A) and proportion of annually processed stool specimens (B), Washington, USA, 2010. *One laboratory reported use of neither method but represented <0.02% of annually processed specimens.