Shigella Surveillance

Key points

• National Shigella surveillance data are collected through passive surveillance of laboratory-confirmed human Shigella infections.
• Clinical diagnostic laboratories submit Shigella isolates to state and territorial public health laboratories, where they are confirmed, speciated, and subtyped.
• Unusual or untypable isolates are forwarded to CDC; results are then reported back to public health laboratories.

Surveillance overview

State and territorial public health laboratories report Shigella infections electronically to CDC through a variety of mechanisms. Data are collected into the Laboratory-Based Enteric Disease Surveillance (LEDS) system. The annual summaries of these data are the national source of species and subtype information for Shigella.

Annual Summaries

Annual summaries for 2007–2016 are archived on CDC Stacks.

Be sure to look for corresponding

• tables for the 2007–2009 Shigella annual reports, and
• appendices for the 2010–2012 Shigella annual reports.

Aug. 19, 2026

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National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)About This Page

Published: May 15, 2024

Updated: August 19, 2026This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

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