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Induced radioactivity, also called artificial radioactivity or man-made radioactivity, is the process of using radiation to make a previously stable material radioactive. [1] The husband-and-wife team of Irène Joliot-Curie and Frédéric Joliot-Curie discovered induced radioactivity in 1934, and they shared the 1935 Nobel Prize in Chemistry ...
Natural infection and the attenuated vaccine induce antibodies that enhance the update of the homologous virus and H1N1 virus isolated several years later, demonstrating that a primary influenza A virus infection results in the induction of infection enhancing antibodies.
The earliest recorded artificial induction of immunity in humans was by variolation or inoculation, which is the controlled infection of a subject with a less lethal natural form of smallpox (known as Variola Minor) to make him or her immune to re-infection with the more lethal natural form, Variola Major.
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Neutralizing antibodies also play a role in active immunisation by vaccination. By understanding the binding sites and structure of neutralizing antibodies in a natural immune response a vaccine can be rationally designed such that it stimulates the immune system to produce neutralizing antibodies and not binding antibodies.
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Active immunization is the induction of immunity after exposure to an antigen. Antibodies are created by the recipient and may be stored permanently. [citation needed]Active immunization can occur naturally when microbes or other antigen are received by a person who has not yet come into contact with the microbes and has no pre-made antibodies for defense.
In the early days of the COVID-19 pandemic, speculation about a laboratory leak was confined to conspiracy-minded portions of the internet, including 4Chan and Infowars, but the ideas began to get wider traction after accusations about a "Chinese bioweapon" were originally published by Great Game India and then republished by the Red State ...