Multiple sublineages of influenza A virus (H5N1), Vietnam, 2005-2007.
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.
Dung Nguyen
Tien
T
National Institute of Veterinary Research, Hanoi, Vietnam. dzungntd@gmail.com
Vinh Nguyen
The
T
Vijaykrishna
Dhanasekaran
D
Webster
Robert G
RG
Guan
Yi
Y
Malik Peiris
J S
JS
Smith
Gavin J D
GJ
D000818:Animals; D016679:Genome, Viral; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics*; D005585:Influenza in Birds / Q000453:epidemiology / Q000821:virology*; D008969:Molecular Sequence Data; D011200:Poultry / Q000821:virology; D014744:Vietnam / Q000453:epidemiology