what is difference between a and b flu?
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Strains of influenza B are exclusively contracted by humans, while influenza A can be carried (and spread) by animals, however, both strains are transmitted mainly by respiratory droplets from coughing and contact with an infected person.
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There are four types of influenza viruses: A, B, C and D. Human influenza A and B viruses cause seasonal epidemics of disease (known as the flu season) almost every winter in the United States. Influenza A viruses are the only influenza viruses known to cause flu pandemics, i.e., global epidemics of flu disease.
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While influenza, more commonly known as 'the flu' and norovirus can occur simultaneously, the two viruses are very different. The norovirus infection affects the stomach and appears as more of a “stomach bug.” Signs and symptoms include a sudden onset of vomiting and/or diarrhea with cramps.
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Although some people may refer to norovirus as “stomach flu,” it isn't technically the flu. It's a quick yet uncomfortable bout of gastrointestinal illness. Influenza, on the other hand, is an infection of the respiratory system that may take more time to surface — and, depending on its severity, to shake off.
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The second difference is the cause. With acute bronchitis, the infection of the bronchi develops after a cold or the flu. Chronic bronchitis may be caused by a virus or bacteria, but is mostly caused by smoking.
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It makes you immune to it. What is one difference between the rabies virus and the influenza virus? The rabies virus causes aggression and the influenza virus doesn't.
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Most flu vaccines in the United States protect against four different flu viruses (“quadrivalent”); an influenza A (H1N1) virus, an influenza A (H3N2) virus, and two influenza B viruses.
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Knowing the difference can save you time and money during cold and flu season. The symptoms of a bacterial infection and a virus are often very similar—fever, muscle aches, cough, and sore throat—but they require different treatments.
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"One does not increase or decrease the spread of the other, but it's quite common to see late-season surges like we're currently seeing." While the symptoms of influenza B mirrors those of influenza A, the main difference between the two strains is who it can affect.
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However, influenza respiratory symptoms may be more severe and can lead to other health complications. If you have asthma, a respiratory infection can worsen your symptoms and may even trigger an attack. If left untreated, or in more severe cases, influenza B can cause: pneumonia.
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The big difference between flu and RSV is the way symptoms begin. The flu usually starts with a high fever along with aches and pains. RSV starts out as a cold -- sometimes with fever -- but mainly a cold that leads to coughing, fast breathing and wheezing.
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Both influenza A and B are immunized against in the annual flu vaccine, according to the CDC. Influenza Type C has much milder symptoms, according to the NIH. It causes mild respiratory infections, but it is not severe enough to cause global outbreaks like Type A has in the past.
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Flu may cause fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills and fatigue. Young children also may have vomiting or diarrhea with flu symptoms. It's important to note that some people with flu may not have a fever.
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Most people who have the flu (influenza) have a mild illness and don't need to see a doctor. Common flu signs and symptoms include: Fever above 100 F (38 C), though not everyone with the flu has a fever. A cough or sore throat.
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Treatment is the biggest difference between bacterial and viral pneumonia. Bacterial pneumonia is treated with antibiotic therapy, while viral pneumonia will usually get better on its own. In some cases, viral pneumonia can lead to a secondary bacterial pneumonia.
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The flu is a respiratory disease, but it can affect the whole body. A child can become suddenly ill with any or all of these symptoms: Fever, which may be as high as 103°F (39.4°C) to 105°F (40.5°C) Body aches, which may be severe.
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There are several different types of influenza virus: A, B, C, and D. Influenza types A, B, and C can cause illness in humans. But types A and B cause seasonal epidemics of respiratory illness nearly every year. Influenza A typically causes the majority of illnesses during flu season.