Results 271 to 280 of about 114,480,210 (307)
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Hemagglutination by Influenza Virus: III. The Xo Phase of Influenza A Virus
Journal of Infectious Diseases, 1948In the original characterization of the O-D change in influenza virus, type A, Burnet and Bull1 stated that they found no evidence of a change from the D to the O phase, but that the O phase could be transformed by a process of discontinuous mutation to the D phase.
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2012
The isolation of influenza viruses is important for the diagnosis of respiratory diseases in lower animals and humans, for the detection of the infecting agent in surveillance programs, and is an essential element in the development and production of vaccine.
Scott, Krauss +2 more
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The isolation of influenza viruses is important for the diagnosis of respiratory diseases in lower animals and humans, for the detection of the infecting agent in surveillance programs, and is an essential element in the development and production of vaccine.
Scott, Krauss +2 more
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Comparative Immunology, Microbiology and Infectious Diseases, 2009
Avian influenza viruses do not typically replicate efficiently in humans, indicating direct transmission of avian influenza virus to humans is unlikely. However, since 1997, several cases of human infections with different subtypes (H5N1, H7N7, and H9N2) of avian influenza viruses have been identified and raised the pandemic potential of avian ...
Chang-Won, Lee, Yehia M, Saif
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Avian influenza viruses do not typically replicate efficiently in humans, indicating direct transmission of avian influenza virus to humans is unlikely. However, since 1997, several cases of human infections with different subtypes (H5N1, H7N7, and H9N2) of avian influenza viruses have been identified and raised the pandemic potential of avian ...
Chang-Won, Lee, Yehia M, Saif
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2012
The laboratory diagnosis of influenza uses a wide range of techniques including rapid immunoassays, immunofluorescence techniques, virus culture methods, and increasingly sophisticated molecular assays. The potential utility of each of these methods has changed over the years, most dramatically perhaps with the emergence of the pandemic H1N1 2009 ...
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The laboratory diagnosis of influenza uses a wide range of techniques including rapid immunoassays, immunofluorescence techniques, virus culture methods, and increasingly sophisticated molecular assays. The potential utility of each of these methods has changed over the years, most dramatically perhaps with the emergence of the pandemic H1N1 2009 ...
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Canadian Journal of Research, 1947
Influenza A and B viruses in allantoic fluid can be adsorbed by certain grades of diatomaceous earths usually employed as filter aids, there being a marked degree of correlation between the 'flow rate' of the earths and their ability to adsorb the virus.
R, HARE, M, CURL
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Influenza A and B viruses in allantoic fluid can be adsorbed by certain grades of diatomaceous earths usually employed as filter aids, there being a marked degree of correlation between the 'flow rate' of the earths and their ability to adsorb the virus.
R, HARE, M, CURL
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The Journal of Immunology, 1951
Summary The production of nontoxic influenza A virus has been described. This was accomplished by inoculating undiluted, non-mouse-adapted, allantoic fluid virus into the allantoic sac of the developing chick embryo. Mouse-adapted influenza virus would not cause nontoxic virus to be produced.
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Summary The production of nontoxic influenza A virus has been described. This was accomplished by inoculating undiluted, non-mouse-adapted, allantoic fluid virus into the allantoic sac of the developing chick embryo. Mouse-adapted influenza virus would not cause nontoxic virus to be produced.
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Influenza A Virus Reassortment
2014Reassortment is the process by which influenza viruses swap gene segments. This genetic exchange is possible due to the segmented nature of the viral genome and occurs when two differing influenza viruses co-infect a cell. The viral diversity generated through reassortment is vast and plays an important role in the evolution of influenza viruses ...
John, Steel, Anice C, Lowen
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Veterinary Record, 2005
SIR, – I feel we should be on the look out for any suspect cases of canine influenza, following outbreaks in the USA ( VR , October 15, 2005, vol 157, p 459). Have the universities and laboratories in the UK prepared for the likely introduction of this disease from ‘across the pond ...
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SIR, – I feel we should be on the look out for any suspect cases of canine influenza, following outbreaks in the USA ( VR , October 15, 2005, vol 157, p 459). Have the universities and laboratories in the UK prepared for the likely introduction of this disease from ‘across the pond ...
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Neurovirulence of influenza A virus
Journal of Neurovirology, 1996Infection of mouse brain with influenza A virus has provided a valuable model for investigating viral adaptation and virulence. These studies have indicated important roles for the neuraminidase (NA), matrix (M), non-structural (NS) and haemagglutinin (HA) genes of the virus in determining neurovirulence.
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Veterinary Clinics of North America: Equine Practice, 2014
For decades the horse has been viewed as an isolated or "dead-end" host for influenza A viruses, with equine influenza virus being considered as relatively stable genetically. Although equine influenza viruses are genetically more stable than those of human lineage, they are by no means in evolutionary stasis.
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For decades the horse has been viewed as an isolated or "dead-end" host for influenza A viruses, with equine influenza virus being considered as relatively stable genetically. Although equine influenza viruses are genetically more stable than those of human lineage, they are by no means in evolutionary stasis.
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