what is the difference between influenza a and flu?
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Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza is commonly called the flu, but it's not the same as stomach "flu" viruses that cause diarrhea and vomiting.
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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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The flu vaccine cannot give you flu The injected flu vaccine given to adults contains inactivated flu viruses, so it cannot give you flu. The children's nasal spray flu vaccine contains live but weakened flu viruses that will not give your child flu.
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What is type A influenza? Influenza — also known as the flu — is a contagious viral infection that attacks your respiratory system. Influenza viruses that infect humans can be classified into three main groups: A, B, and C. Type A influenza infection can be serious and cause widespread outbreaks and disease.
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Influenza (Flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 is caused by infection with a new coronavirus (called SARS-CoV-2) and flu is caused by infection with influenza viruses.
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“Because pneumonia is a lung infection, it typically has more respiratory symptoms, while the flu is accompanied by muscular aches and pains and fatigue,” she explains. The flu usually comes on suddenly, while pneumonia takes longer to develop and can be a complication from the flu.
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What is type B influenza? Influenza — commonly known as the flu — is a respiratory infection caused by flu viruses. There are three main types of influenza: A, B, and C. Types A and B are similar, but influenza B can only pass from human to human.
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What's the difference between Haemophilus influenzae type b and influenza? Haemophilus influenzae type b is a polysaccharide-encapsulated bacteria that causes a variety of invasive diseases, such as meningitis, epiglottitis, and pneumonia. Influenza is a virus that causes the disease influenza.
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The flu shot protects against influenza, which isn't the same thing as the stomach flu (gastroenteritis). Gastroenteritis is an infection caused by a variety of viruses, including rotaviruses and noroviruses. Although it is often called the stomach flu, gastroenteritis is not caused by influenza viruses.
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Influenza. Many people talk about the “stomach flu” when they're feeling sick to their stomachs. It isn't the same as influenza or the flu. Stomach flu is an illness called gastroenteritis, which is usually caused by a virus.
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In temperate climates, seasonal epidemics occur mainly during winter, while in tropical regions, influenza may occur throughout the year, causing outbreaks more irregularly. The time from infection to illness, known as the incubation period, is about 2 days, but ranges from one to four days.
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A fever, headache, and other aches and pains are common with the flu but less so with colds. People who have colds usually have a stuffy nose and sore throat. That's less common when you have the flu. Flu symptoms often hit suddenly, which makes you weaker and weaker.
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Among the many viruses we see causing respiratory illness right now, the influenza virus (commonly called "the flu") can be particularly severe. Infection with the influenza virus causes a sudden onset of fever, chills, dry cough, and muscle aches.
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Type A influenza infection can be serious and cause widespread outbreaks and disease. Common symptoms of type A infection can be confused with other conditions. While in some milder cases the flu can resolve on its own without significant symptoms, severe cases of type A influenza can be life-threatening.
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Most colds start with a sore throat and some stuffiness followed by other symptoms like cough and a mild fever on or about the third day. Flu generally starts more suddenly and severely than a cold, with a higher fever and chills. A child with the flu feels much more achy and uncomfortable.
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What Are the Different Types of Flu? There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu; however, type C flu symptoms are much less severe.
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Flu usually comes on suddenly. People who have flu often feel some or all of these symptoms: fever* or feeling feverish/chills. cough.