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[84] [85] [86] The shortened form of the word, "flu", is first attested in 1839 as flue with the spelling flu confirmed in 1893. [87] Other names that have been used for influenza include epidemic catarrh, la grippe from French, sweating sickness, and, especially when referring to the 1918 pandemic strain, Spanish fever. [88]
There is a high-dose flu vaccine specifically formulated to provide a stronger immune response. [130] Available evidence indicates that vaccinating the elderly with the high-dose vaccine leads to a stronger immune response against influenza than the regular-dose vaccine.
Polyvalent influenza vaccine is a type of influenza vaccine that provides immunity against more than one type of antigen. [1] In the second week after receiving the flu shot, the body's immune system is triggered by the antigens so the body starts producing antibodies.
The flu shot contains either an inactivated virus (which means it’s no longer infectious) or a particle that’s designed to look like a flu virus to your immune system, according to the CDC.
Denaturing the protein may 'disarm' its function but allow the immune system to have an immune response thus creating an immunity without harming the patient. Cross reactivity has implications for flu vaccination because of the large number of strains of flu, as antigens produced in response to one strain may confer protection to different ...
Dr. Demetre Daskalakis, director of the National Center for Immunization and Respiratory Diseases, said at the Sept. 25 conference that based on flu activity in the Southern Hemisphere (which ...
Innate immune defenses are non-specific, meaning these systems respond to pathogens in a generic way. [19] This system does not confer long-lasting immunity against a pathogen. The innate immune system is the dominant system of host defense in most organisms, [ 2 ] and the only one in plants.
As cold and flu season begins, you may be wondering what you can do to help keep your immune system strong with all the nasty bugs going around. In addition to staying up to date on your seasonal ...