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  2. Influenza A vs. Influenza B: Which Flu Virus Is Worse? - AOL

    www.aol.com/influenza-vs-influenza-b-flu...

    There are four different types of influenza virus: A, B, C, and D. Influenza C usually causes only mild illness while D mostly affects animals, especially cattle.

  3. Influenza C virus - Wikipedia

    en.wikipedia.org/wiki/Influenza_C_virus

    Influenza viruses are members of the family Orthomyxoviridae. [2] Influenza viruses A, B, C, and D represent the four antigenic types of influenza viruses. [3] Of the four antigenic types, influenza A virus is the most severe, influenza B virus is less severe but can still cause outbreaks, and influenza C virus is usually only associated with minor symptoms.

  4. Influenza - Wikipedia

    en.wikipedia.org/wiki/Influenza

    The test for this is based solely on the effect on chickens – a virus strain is highly pathogenic avian influenza (HPAI) if 75% or more of chickens die after being deliberately infected with it. The alternative classification is low pathogenic avian influenza (LPAI) which produces mild or no symptoms. [ 89 ]

  5. Hemagglutinin (influenza) - Wikipedia

    en.wikipedia.org/wiki/Hemagglutinin_(influenza)

    Influenza hemagglutinin (HA) or haemagglutinin [p] (British English) is a homotrimeric glycoprotein found on the surface of influenza viruses and is integral to its infectivity. Hemagglutinin is a class I fusion protein, [1] [2] having multifunctional activity as both an attachment factor and membrane fusion protein.

  6. Transmission and infection of H5N1 - Wikipedia

    en.wikipedia.org/wiki/Transmission_and_infection...

    The spread of avian influenza in the eastern hemisphere. According to the United Nations FAO, wild water fowl likely plays a role in the avian influenza cycle and could be the initial source for AI viruses, which may be passed on through contact with resident water fowl or domestic poultry, particularly domestic ducks. A newly mutated virus ...

  7. Influenza A virus subtype H1N1 - Wikipedia

    en.wikipedia.org/wiki/Influenza_A_virus_subtype_H1N1

    Swine influenza (also known as swine flu or pig flu) is a respiratory disease that occurs in pigs that is caused by the Influenza A virus. Influenza viruses that are normally found in swine are known as swine influenza viruses (SIVs). The three main subtypes of SIV that circulate globally are A(H1N1), A(H1N2), and A(H3N2).

  8. Influenza A virus subtype H5N1 - Wikipedia

    en.wikipedia.org/wiki/Influenza_A_virus_subtype_H5N1

    Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [ 1 ]

  9. Prevention of influenza - Wikipedia

    en.wikipedia.org/wiki/Prevention_of_influenza

    Reasonably effective ways to reduce the transmission of influenza include good personal health and hygiene habits such as: not touching your eyes, nose or mouth; [6] frequent hand washing (with soap and water, or with alcohol-based hand rubs); [6] eating a diet rich in fruits and vegetables; [16] covering coughs and sneezes; avoiding close contact with sick people; and staying home yourself if ...