Optimization of Notification Criteria for Shiga Toxin-Producing Escherichia coli Surveillance, the Netherlands.

We describe the consequences of 2 major changes in notification criteria for Shiga toxin-producing Escherichia coli surveillance in the Netherlands. The change to reporting acute, more severe infections appears to be a good compromise between workload, redundancy, and public health relevance, provided isolates remain available for typing and sequencing.