نتایج جستجو برای: avian influenza virus h7n1
تعداد نتایج: 459671 فیلتر نتایج به سال:
From 2014 to 2015, three cases of highly pathogenic avian influenza infection occurred in zoo-housed north-east China tigers (Panthera tigris ssp.altaica) and four tigers died of respiratory distress in succession in Yunnan Province, China. We isolated and characterized three highly pathogenic avian influenza A(H5N1) viruses from these tigers. Phylogenetic analysis indicated that A/tiger /Yunna...
Pandemic influenza virus has its origins in avian influenza viruses. The highly pathogenic avian influenza virus subtype H5N1 is already panzootic in poultry, with attendant economic consequences. It continues to cross species barriers to infect humans and other mammals, often with fatal outcomes. Therefore, H5N1 virus has rightly received attention as a potential pandemic threat. However, it i...
BMC Public Health. 2012;12:957. http://dx.doi.org/10.1186/14712458-12-957 5. Agbenohevi PG, Odoom JK, Bel-Nono S, Nyarko EO, Alhassan M, Rodgers D, et al. Biosecurity measures to reduce influenza infections in military barracks in Ghana. BMC Res Notes. 2015;8:14. http://dx.doi.org/10.1186/s13104-014-0956-0 6. Monne I, Meseko C, Joannis T, Shittu I, Ahmed M, Tassoni L, et al. Highly pathogenic a...
Receptor-binding specificity of HA, the major surface glycoprotein of influenza virus, primarily determines the host ranges that the virus can infect. Influenza type B virus almost exclusively infects humans and contributes to the annual "flu" sickness. Here we report the structures of influenza B virus HA in complex with human and avian receptor analogs, respectively. These structures provide ...
To the Editor: Avian influenza is an infectious disease caused by type A strains of influenza virus (1). Since January 2004, Thailand and several other Southeast Asian countries have experienced outbreaks of avian influenza in poultry, and >100 million poultry have been culled or have died (www.who.int/csr/disease/avian_influenza/en). The prevalence of severe and fatal cases involving bird-to-h...
We provide the first scientific report of influenza A virus involvement in a mass mortality event among harbour seals (Phoca vitulina) off the west coast of Sweden. Avian influenza A (H10N7) virus was detected in the lungs of two affected animals. This subtype has not been reported in seals to date, nor has influenza A-associated mortality been reported in seals in Europe. Circulation of avian ...
Genome sequences of chicken (low pathogenic avian influenza [LPAI] and highly pathogenic avian influenza [HPAI]) and human isolates from a 2004 outbreak of H7N3 avian influenza in Canada showed a novel insertion in the HA0 cleavage site of the human and HPAI isolate. This insertion likely occurred by recombination between the hemagglutination and matrix genes in the LPAI virus.
The ability to attach to host cells is one of the main determinants of the host range of influenza A viruses. By using virus histochemistry, we investigate the pattern of virus attachment of both a human and an avian influenza virus in colon and trachea sections from 12 wild bird species. We show that significant variations exist, even between closely related avian species, which suggests that ...
Department of Pediatrics,a Department of Pathology, Microbiology, and Immunology,b and Elizabeth B. Lamb Center for Pediatric Research,c Vanderbilt University School of Medicine, Nashville, Tennessee, USA; Department of Microbiology and Immunologyd and Division of Infectious Diseases, Department of Medicine,e Albert Einstein College of Medicine, Bronx, New York, USA; Department of Microbiology ...
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