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Unlike type A flu viruses, type B flu is found only in humans. Type B flu may cause a less severe reaction than type A flu virus, but occasionally, type B flu can still be extremely harmful. Influenza type B viruses are not classified by subtype and do not cause pandemics.There are three types of influenza viruses: A, B and C. Human influenza A and B viruses cause seasonal epidemics of disease almost every …Influenza A and B viruses both cause the illness we recognize as the flu with fever, headache, dry cough, fatigue, muscle aches, sore throat and a runny or stuffy nose. However, the illness caused by the influenza type A virus is usually more severe than that caused by influenza type B.It would be difficult to distinguish influenza A and B viruses by electron … I just a begginner i really couldn’t get the difference between the threeLearn how the strains of the influenza virus are classified. … There is not much difference between influenza A and B when it comes to how they .Influenza, commonly known as “the flu”, is an infectious disease caused by an influenza virus. … Three types of influenza viruses affect people, called Type A, Type B, and Type C. Usually, the virus is spread through the air from coughs or sneezes. …. It can be difficult to distinguish between the common cold and influenza in …

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