what is the b flu?
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Influenzavirus B Influenzavirus B is a genus in the virus family Orthomyxoviridae. The only species in this genus is called Influenza B virus. Influenza B viruses are only known to infect humans and seals, giving them influenza. This limited host and range is apparently responsible for the lack of Influenzavirus B-caused influenza pandemics in contrast with those caused by the morphologically similar Influenzavirus A as both mutate by both antigenic drift and reassortment. Currently there are two co-circulating
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Hepatitis B Hepatitis B is a potentially life-threatening liver infection caused by the hepatitis B virus. It is a major global health problem. It can cause chronic infection and puts people at high risk of death from cirrhosis and liver cancer.A vaccine against hepatitis B has been available since 1982. The virus is transmitted through contact with the blood or other body fluids of an infected person. 2  An estimated 240 million people are chronically infected with hepatitis B (defined as hepatitis B surface antigen positive for at least 6 months).
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- Flu (Influenza) Cause. Influenza, or flu, is a respiratory infection caused by any of several flu viruses, which are classified as type A, B, or C based on their nucleic acids and protein composition.ype A viruses are found in humans and many animals, including ducks, chickens, pigs, and whales. Type A influenza viruses caused the global flu outbreaks of 1918, 1957, 1968, and 2009. Type B viruses circulate widely in humans.
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hepatitis B Definition. Hepatitis B is a potentially serious form of liver inflammation due to infection by the hepatitis B virus (HBV). It occurs in both rapidly developing (acute) and long-lasting (chronic) forms, and is one of the most common chronic infectious diseases worldwide.
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- The flu is caused by influenza virus types A, B, and C. Both type A and type B flu viruses are responsible for the seasonal outbreaks of flu. Type A flu viruses are found in many different animals, including ducks, chickens, pigs, and horses.
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Hepatitis B Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) that affects the liver. It can cause both acute and chronic infections. Many people have no symptoms during the initial infection. Some develop a rapid onset of sickness with vomiting, yellowish skin, tiredness, dark urine and abdominal pain.
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Hepatitis B Hepatitis B is a potentially life-threatening liver infection caused by the hepatitis B virus. It is a major global health problem. It can cause chronic infection and puts people at high risk of death from cirrhosis and liver cancer. A vaccine against hepatitis B has been available since 1982.
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Influenza H5N1, which caused Bird Flu in 2004 4; Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses. 22
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hepatitis B hepatitis B (HB), a viral hepatitis caused by the hepatitis B virus (HBV), a hepadnavirus. The virus is transmitted by transfusion of contaminated blood or blood products, by sexual contact with an infected person, by the use of contaminated needles and instruments, or in utero. It can cause acute and chronic hepatitis.
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Cold guide Flu viruses come in three basic types: A, B and C. They may also be classified into flu subtypes. Flu types A and B cause most cases of flu with the typical symptoms of aches, fatigue, coughs and fever. Type C usually causes less severe symptoms. Flu viruses are always evolving, and different types are more common at different times.
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- Flu: Causes. Three main types of influenza viruses cause the flu: Type A, Type B, and Type C. All three virus types are spread in the same way: they leave an infected person’s body in droplets whenever that person coughs, sneezes, or puts their mouth on another object.
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What Is Influenza? There are three different types of flu viruses: influenza A, B and C. However, only type A and B cause illness in humans. People can get the flu any time of year, but in the United States and most of the Northern Hemisphere, flu season spans late fall to early spring.
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What are Influenza Type A Flu and Type B Flu? Signs of Influenza A or Influenza B Symptoms. The good news is most people will recover from the flu on their own. However, if you have a severe case of the flu, you should see your healthcare provider. Not sure if you have the flu? A good indication of whether or not you have the flu is if a thermometer indicates you have a fever.
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Influenza B: Cause, Symptom, Treatment and Prevention 1 Stomach symptoms. 2  Many strains of influenza B will cause irritation in the stomach. 3  Because this is so common, this particular type of flue is often referred to as a stomach flu though the virus does not specifically affect the stomach.
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Top 30 Doctor insights on: Influenza B Contagious Period Yes: Influenza b virus is a respiratory virus spread by coughing, etc. The two main types of influenza occurring during flu season are influenza a and influenza b. Influenza b often causes more GI symptoms.
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- The flu is caused by influenza virus types A, B, and C. Both type A and type B flu viruses are responsible for the seasonal outbreaks of flu.Type A flu viruses are found in many different animals, including ducks, chickens, pigs, and horses.Influenza B viruses circulate widely only among humans.nfluenza (also known as the flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is by getting a flu vaccination each year.
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- Mixed or semi-variable cost: A cost that has the characteristics of both variable and fixed cost is called mixed or semi-variable cost. For example, the rental charges of a machine might include $500 per month plus $5 per hour of use. The $500 per month is a fixed cost and $5 per hour is a variable cost.
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Difference Between Influenza A and B 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.
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Types of Flu 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.
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Ancient origin of hepatitis B viruses revealed by DNA fossils in bird genomes Hepatitis B virus (HBV) is one of the most common human viral infections in the world. This virus specifically infects the liver cells of many primates (including humans), causing severe flu-like symptoms.
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What are Influenza Type A Flu and Type B Flu? When it comes to the flu, not all types are created equal. You’ve probably heard that there are a few different types of the flu. According to the CDC, there are three types of influenza viruses: influenza A, influenza B and influenza C. Influenza A and B are the two main types that routinely spread in humans and cause seasonal flu epidemics. Influenza C viruses cause only mild respiratory infections and are not thought to be responsible for epidemics. 14, 15
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What Is Influenza? Influenza B is less common but still causes outbreaks of seasonal flu. One or two strains of influenza B are included in the seasonal flu vaccine every year to protect people from the strain(s) that researchers believe are most likely to cause illness during the upcoming flu season.
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Top 30 Doctor insights on: Flu Type B Incubation Get help from a doctor now ›. For more info CDC: Influenza type a is bird flu. Influenza type b infects humans and seals. Places where b strains have been are: shanghai, yamagata, hong kong, and victoria. To find more info best to contact cdc. Both type a & b have the same flu symptoms. High fever, severe aches and pains, generalized weakness.
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Hepatitis B (HBV, Hep B) Hepatitis B is an infection of the liver caused by the hepatitis B virus (HBV). It is estimated that 2 billion people worldwide have evidence of current or past hepatitis B infection, including more than 250 million chronic carriers and more than 600,000 deaths worldwide each year.
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APES Diseases Influenza (also known as the flu) is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly. People who have the flu often feel some or all of these symptoms: Fever* or feeling feverish/chills; Cough; Sore throat
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Is it a Cold or the Flu? Is it a Cold or the Flu? The flu (also called influenza) is a viral infection. It affects the respiratory system. It can cause mild-to-severe illness, and sometimes it can lead to death. View the different symptoms below: