WHO guidelines for global surveillance of influenza A/H5

6 February 2004

Rationale
Objectives
Tools to assist in the implementation of surveillance of influenza A/H5 viral infection
1.Monitoring the global occurrence of influenza A/H5 viral infection in humans
2.Identifying and characterizing any emergent influenza strain so as to inform control strategies
3.Monitoring changes in transmission patterns and detecting potential human-to-human transmission of influenza A/H5 viruses
4.Monitoring of unusual morbidity and mortality due to acute respiratory illness
5.Monitoring the global activity of influenza A/H5 viruses in animal populations

References
Annex 1. Case definitions used in Viet Nam
Annex 2. Template for daily country summary
Annex 3. Template for line-listing
Annex 4. Data dictionary for line-listing
Annex 5. Template for case report form
Annex 6. WHO reference laboratories for diagnosis of influenza A/H5 infection
Annex 7. Contact details for reporting to WHO