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  • intro.html
    mucous Orthomyxoviridae include viruses that cause the flu in humans pigs and birds Influenza has seasonality in that it appears more often in the winter Here is a picture of what the virions look like These images are from Prof

    Original URL path: http://virus.stanford.edu/orthomyxo/intro.html (2016-02-13)
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  • history.html
    the 1970s In 1933 the first influenza virus was isolated A serious strain in Hong Kong right now is H5N1 bird flu Here is a list of the major antigenic shifts of Influenza A Year HA and NA genes 1989 H2N2 1900 H3N8 1918 H1N1 Spanish 1957 H2N2 Asian 1968 H3N2 Hong Kong 1977 H1N1 Russian probably current within human populations Beyond the genetic history of the virus influenza has

    Original URL path: http://virus.stanford.edu/orthomyxo/history.html (2016-02-13)
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  • Classif
    Negative Sense Shape Linear Site of replication Nucleus this is an exception for a RNA virus Number of segments usually 8 but influenza c has 7 segments Infectious No Number of genes at least ten with two overlapping genes Oncogenic Potential No Genetech has a great diagram that illustrates Influenza A replication Virion Information Virion Shape Pleomorphic often spherical Virion Size diameter about 100 nanometers Shape of nucleocapsid helical Enveloped

    Original URL path: http://virus.stanford.edu/orthomyxo/classification.html (2016-02-13)
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  • orthvir.html
    C Influenza C causes niether serious disease nor epidemics in humans acariviruses viruses that are tick borne and can infect humans but do not cause disease in humans The CDC has more information on influenza viruses Given the potential for

    Original URL path: http://virus.stanford.edu/orthomyxo/orthvir.html (2016-02-13)
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  • diseases.html
    disappear with 3 to 7 days but some may last for at least another week Influenza is complicated by bacterial pneumonia It is more serious in the elderly and immune compromised Flu wannabees These viruses can cause flu like symptoms but they aren t influenza Epstein Barr Virus Herpes Simplex Virus Varicella Zoster Virus Acute HIV LCMV Ebola virus at least the beginning symptoms Hantavirus But symptoms can also be

    Original URL path: http://virus.stanford.edu/orthomyxo/diseases.html (2016-02-13)
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  • trans.html
    surfaces of the the respiratory tract They are then transferred through the air within liquid droplets as a person sneezes coughs and even talks The envelopes help the virions survive outside of the host s body until they enter another

    Original URL path: http://virus.stanford.edu/orthomyxo/trans.html (2016-02-13)
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  • def.html
    end up being swallowed and destroyed by stomach acid The Immune System Defense The particles that survive the mucousal defense stimulate an antibody response Antibodies respond to the HA and NA glycoproteins That is why changes to the H and N regions are so dangerous to human populations Some of the antibodies are in the mucous but the vast majority are in the blood In addition to antibodies a cellular

    Original URL path: http://virus.stanford.edu/orthomyxo/def.html (2016-02-13)
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  • manage.html
    body For example Symptom Medicine pain and fever analgesic like tylenol and aspirin coughing antitussives like Robitussin DM congestion decongestants One of the most important therapies is rest Getting plenty of sleep is the best way to get rid of

    Original URL path: http://virus.stanford.edu/orthomyxo/manage.html (2016-02-13)
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