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Why do we call influenza the flu?
Influenza earned its name from an Italian folk word that attributed colds, cough, and fever to the influence of the stars. Later the term evolved into influenza del freddo—“influence of the cold.” The flu has appeared under various names through the years, including epidemic catarrh, grippe and the sweating sickness.
Is influenza another name for the flu?
Influenza, commonly known as “the flu”, is an infectious disease caused by influenza viruses.
What does the root word flu mean?
flow
The Latin root word flu means “flow.” This Latin root is the word origin of a good number of English vocabulary words, including flu, influence, and fluid. The Latin root word flu is easily recalled through the English word fluid, for a fluid is a state of matter which, if not contained, “flows.”
What is the medical term for influenza?
Reviewed on 3/29/2021. Flu: Flu is a colloquialism for influenza. The flu is an acute respiratory illness caused by influenza viruses A or B . Most people who get the flu recover completely in 1 to 2 weeks, but some people develop serious and potentially life-threatening medical complications, such as pneumonia.
Is the short name of influenza?
influenza, also called flu or grippe, an acute viral infection of the upper or lower respiratory tract that is marked by fever, chills, and a generalized feeling of weakness and pain in the muscles, together with varying degrees of soreness in the head and abdomen.
How are influenza viruses named?
Influenza A viruses are classified by subtypes based on the properties of their hemagglutinin (H or HA) and neuraminidase (N or NA) surface proteins. There are 18 different HA subtypes and 11 different NA subtypes. Subtypes are named by combining the H and N numbers – e.g., A(H1N1), A(H3N2).
Is flu a prefix root or suffix?
See -flu-. -flu-, root. -flu- comes from Latin, where it has the meaning “flow. ” This meaning is found in such words as: affluence, affluent, confluence, flu, fluctuate, flue, fluent, fluid, flume, fluoride, flux, influence, influenza.
What is the technical term for the flu shot?
Influenza (flu) vaccines (often called “flu shots”) are vaccines that protect against the four influenza viruses that research indicates most common during the upcoming season. Most flu vaccines are “flu shots” given with a needle, usually in the arm, but there also is also a nasal spray flu vaccine.
What does H1N1 stand for?
by the third week of April it was established that the illness resulted from a triple recombination of human, avian, and swine influenza viruses; the virus has been found to be H1N1.—
What is difference between epidemic and pandemic?
According to the Center for Disease Control and Prevention (CDC), the difference between an epidemic and a pandemic is that: Epidemic is a sudden outbreak of a disease in a certain geographical area. Pandemic is an outbreak of a disease that has spread across several countries or continents.
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