The genome sequence analysis of H5N1 avian influenza A virus isolated from the outbreak among poultry populations in Thailand

Viseshakul, Nareerat; Thanawongnuwech, Roongroje; Amonsin, Alongkorn; Suradhat, Sanipa; Payungporn, Sunchai; Keawchareon, Juthatip; Oraveerakul, Kanisak; Wongyanin, Piya; Plitkul, Sukanya; Theamboonlers, Apiradee; Poovorawan, Yong

doi:10.1016/j.virol.2004.06.045

Cited by 53 publications

(30 citation statements)

References 15 publications

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“…The NA protein of the Danish isolates were characterised by a 20 amino acid deletion at positions 49 to 68 in the stalk region of NA. This deletion has been observed in many recent HP H5N1 isolates [16,22,23] and is suggested to be adaptation for efficient replication in chickens [24]. …”

Section: Resultsmentioning

confidence: 95%

First introduction of highly pathogenic H5N1 avian influenza A viruses in wild and domestic birds in Denmark, Northern Europe

Bragstad

Jørgensen

Handberg

et al. 2007

Virol J

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The first case of HP H5N1 infection of wild and domestic birds in Denmark was experienced in March 2006. This is the first full genome characterisation of HP H5N1 avian influenza A virus in the Nordic countries. The Danish viruses from this time period have their origin from the wild bird strains from Qinghai in 2005. These viruses may have been introduced to the Northern Europe through unusual migration due to the cold weather in Eastern Europe at that time.

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Section: Resultsmentioning

confidence: 95%

First introduction of highly pathogenic H5N1 avian influenza A viruses in wild and domestic birds in Denmark, Northern Europe

Bragstad

Jørgensen

Handberg

et al. 2007

Virol J

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“…Results of genomic analysis of H5N1 avian influenza A viruses isolated in Thailand have been reported. 54) The H5N1 virus was also isolated from tigers and leopards in Thailand. 55) Recently, Kuiken et al 56) showed that domestic cats can be experimentally infected with H5N1 virus and suggested that cats may act as an intermediate host between birds and humans.…”

Section: )mentioning

confidence: 99%

Sialobiology of Influenza: Molecular Mechanism of Host Range Variation of Influenza Viruses

Suzuki

2005

Biological & Pharmaceutical Bulletin

383

333

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The gene pool of influenza A viruses in aquatic birds provides all of the genetic diversity required for human and lower animals. Host range selection of the receptor binding specificity of the influenza virus hemagglutinin occurs during maintenance of the virus in different host cells that express different receptor sialo-sugar chains. In this paper, functional roles of the hemagglutinin and neuraminidase spikes of influenza viruses are described in the relation to 1) host range of influenza viruses, 2) receptor binding specificity of human and other animal influenza viruses, 3) recognition of sialyl sugar chains by Spanish influenza virus hemagglutinin, 4) highly pathogenic and potentially pandemic H5N1, H9N2, and H7N7 avian influenza viruses and molecular mechanism of host range variation of influenza viruses, 5) role of the neuraminidase spike for the host range of influenza viruses, and 6) Development of anti-influenza drugs.

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“…The disease poses a considerable public health risk. Not only can viruses infect humans directly, causing severe disease with high mortality, 1 but there is also potential for these viruses to acquire the ability to transmit from human to human either by reassortment with other influenza viruses or by mutation and give rise to new pandemic strains 2 . Avian influenza viruses were first detected in Thailand in January 2004, and through 2006, there were 25 persons infected with laboratory‐confirmed influenza A (H5N1) viruses, including 17 deaths, reported to the World Health Organization (WHO) 3 .…”

Section: Introductionmentioning

confidence: 99%

Influenza viruses in Thailand: 7 years of sentinel surveillance data, 2004–2010

Chittaganpitch

Supawat

Olsen

et al. 2011

Influenza Resp Viruses

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Please cite this paper as: Chittaganpitch et al. (2012) Influenza viruses in Thailand: 7 years of sentinel surveillance data, 2004–2010. Influenza and Other Respiratory Viruses 6(4), 276–283. Background The re‐emergence of avian influenza A (H5N1) in 2004 and the pandemic of influenza A (H1N1) in 2009 highlight the need for routine surveillance systems to monitor influenza viruses, particularly in Southeast Asia where H5N1 is endemic in poultry. In 2004, the Thai National Institute of Health, in collaboration with the US Centers for Disease Control and Prevention, established influenza sentinel surveillance throughout Thailand. Objectives To review routine epidemiologic and virologic surveillance for influenza viruses for public health action. Methods Throat swabs from persons with influenza‐like illness and severe acute respiratory illness were collected at 11 sentinel sites during 2004–2010. Influenza viruses were identified using the standard protocol for polymerase chain reaction. Viruses were cultured and identified by immunofluorescence assay; strains were identified by hemagglutination inhibition assay. Data were analyzed to describe frequency, seasonality, and distribution of circulating strains. Results Of the 19 457 throat swabs, 3967 (20%) were positive for influenza viruses: 2663 (67%) were influenza A and able to be subtyped [21% H1N1, 25% H3N2, 21% pandemic (pdm) H1N1] and 1304 (33%) were influenza B. During 2009–2010, the surveillance system detected three waves of pdm H1N1. Influenza annually presents two peaks, a major peak during the rainy season (June–August) and a minor peak in winter (October–February). Conclusions These data suggest that March–April may be the most appropriate months for seasonal influenza vaccination in Thailand. This system provides a robust profile of the epidemiology of influenza viruses in Thailand and has proven useful for public health planning.

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The genome sequence analysis of H5N1 avian influenza A virus isolated from the outbreak among poultry populations in Thailand

Cited by 53 publications

References 15 publications

First introduction of highly pathogenic H5N1 avian influenza A viruses in wild and domestic birds in Denmark, Northern Europe

First introduction of highly pathogenic H5N1 avian influenza A viruses in wild and domestic birds in Denmark, Northern Europe

Sialobiology of Influenza: Molecular Mechanism of Host Range Variation of Influenza Viruses

Influenza viruses in Thailand: 7 years of sentinel surveillance data, 2004–2010

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