WHO guidelines for investigation of human cases of avian influenza A(H5N1)

January 2007

WHO/CDS/EPR/GIP/2006.4r1

This revised document replaces the version published in October 2006 and includes the following changes:

• Revision of section on initiating an investigation
• Revision of the sections on contact tracing, including the time frames for tracing
• Monitoring of health-care workers
• Revision and addition of technical references

Contents

- Introduction
- Purpose and scope of the document
- Objectives for investigations of human cases of A(H5N1)
- Initiating an investigation
- Key steps for investigation of human cases of A(H5N1)
- References