Multiple Sublineages of Influenza A Virus (H5N1), Vietnam, 2005−2007
Open Access
- 1 April 2008
- journal article
- Published by Centers for Disease Control and Prevention (CDC) in Emerging Infectious Diseases
- Vol. 14 (4), 632-636
- https://doi.org/10.3201/eid1404.071343
Abstract
Phylogenetic analysis of influenza subtype H5N1 viruses isolated from Vietnam during 2005–2007 shows that multiple sublineages are present in Vietnam. Clade 2.3.4 viruses have replaced clade 1 viruses in northern Vietnam, and clade 1 viruses have been detected in southern Vietnam. Reassortment between these 2 sublineages has also occurred.Keywords
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