WHO, which is coordinating the disease investigation, is taking the paramyxovirus theory seriously, but officials say it's too early to draw conclusions.
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But the virologist, Dr . Klaus Stohr, continued to give more weight to a different virus, described by WHO officials earlier, the paramyxovirus.
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Hemagglutinin-neuraminidase can be found in a variety of paramyxoviruses including Mumps virus, Human parainfluenza virus 3, and the avian pathogen Newcastle disease virus.
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Specialists in Germany and Hong Kong say they believe the cause is a paramyxovirus, from the family of microbes that causes measles, mumps and canine distemper.
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However, in a puzzling twist, other labs have reported seeing something under the microscope that is suspiciously unidentifiable, but which does not resemble a paramyxovirus.
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In the past few decades, paramyxoviruses have been discovered from terrestrial, volant and aquatic animals, demonstrating a vast host range and great viral genetic diversity.
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Although the virus is reported to be very similar to both Hendra and Nipah viruses, it does not cause illness in laboratory animals usually susceptible to paramyxoviruses.
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The most striking examples are antibodies with exceptional breadth, being able to neutralize all influenza A viruses and even four different paramyxoviruses ( 18, 19 ).
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The Frankfurt physicians said Tuesday that samples from the doctor and his wife resemble a paramyxovirus, the family of microbes that causes measles, mumps and canine distemper.
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The World Health Organization, which is coordinating the disease investigation, is taking the paramyxovirus theory seriously, but officials say it's too early to draw conclusions.
