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Volume 14, Number 6—June 2008

Avian Influenza A Virus (H5N1) Outbreaks, Kuwait, 2007

Ahmad Al-Azemi*, Justin Bahl†, Sameer Al-Zenki*, Yousif Al-Shayji*, Sami Al-Amad*, Honglin Chen†, Yi Guan†, J.S. Malik Peiris†‡, and Gavin J.D. Smith†Comments to Author 
Author affiliations: *Kuwait Institute for Scientific Research, Kuwait City, Kuwait; †University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region (SAR), People’s Republic of China; ‡The HKU-Pasteur Research Centre, Pokfulam, Hong Kong SAR;

Main Article


Antigenic analysis of influenza viruses (H5N1) by hemagglutinin inhibition test, 2007*

Virus Clade† Anti-VNM/1203‡ Anti-IDN/5 Anti-CDC357 Anti-QH/1A Anti-Anhui/1
Vietnam/1203/2004 1 160 160 40 40 40
Indonesia/5/2005 2.1 <40 640 640 40 80
Indonesia/CDC357/2006 2.1 40 1,280 1,280 80 160
BHG/Qinghai/1A/2005 2.2 80 640 320 160 640
Dk/Laos/3295/2006 2.3.4 40 320 80 40 320
Ck/Kuwait/KISR2/2007 2.2 <40 640 160 320 <40

*BHG, bar-headed goose; Dk, duck; Ck, chicken. Boldface numbers indicate titers to prototype viruses.
†Based on the World Health Organization (H5N1) nomenclature system (14).
‡Ferret antisera dilution started at 1:40.

Main Article

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