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  2. Immunological memory - Wikipedia

    en.wikipedia.org/wiki/Immunological_memory

    Innate immune memory (trained immunity) is defined as a long-term functional reprogramming of innate immune cells evoked by exogenous or endogenous insults and leading to an altered response towards a second challenge after returning to a non-activated state.

  3. Adaptive immune system - Wikipedia

    en.wikipedia.org/wiki/Adaptive_immune_system

    Immunity can be acquired either actively or passively. Immunity is acquired actively when a person is exposed to foreign substances and the immune system responds. Passive immunity is when antibodies are transferred from one host to another. Both actively acquired and passively acquired immunity can be obtained by natural or artificial means.

  4. Chikungunya vaccine - Wikipedia

    en.wikipedia.org/wiki/Chikungunya_vaccine

    A Chikungunya vaccine is a vaccine intended to provide acquired immunity against the chikungunya virus. [5] The most commonly reported side effects include headache, fatigue, muscle pain, joint pain, fever, nausea and tenderness at the injection site. [8] The first chikungunya vaccine was approved for medical use in the United States in ...

  5. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    Adaptive (or acquired) immunity creates an immunological memory leading to an enhanced response to subsequent encounters with that same pathogen. This process of acquired immunity is the basis of vaccination. Dysfunction of the immune system can cause autoimmune diseases, inflammatory diseases and cancer.

  6. Immunity (medicine) - Wikipedia

    en.wikipedia.org/wiki/Immunity_(medicine)

    A representation of the cholera epidemic of the 19th century. For thousands of years mankind has been intrigued with the causes of disease and the concept of immunity. The prehistoric view was that disease was caused by supernatural forces, and that illness was a form of theurgic punishment for "bad deeds" or "evil thoughts" visited upon the soul by the gods or by one's enemies. [8]

  7. Clonal selection - Wikipedia

    en.wikipedia.org/wiki/Clonal_selection

    He further formalised the theory in his 1959 book The Clonal Selection Theory of Acquired Immunity. He explained immunological memory as the cloning of two types of lymphocyte. One clone acts immediately to combat infection whilst the other is longer lasting, remaining in the immune system for a long time and causing immunity to that antigen.

  8. The new college student sex trend and why it's so dangerous

    www.aol.com/college-student-sex-trend-why...

    A new sex trend among college students is getting attention on TikTok − and it has doctors worried.. That trend is using honey packets, a controversial supplement marketed for sexual enhancement ...

  9. Cocooning (immunization) - Wikipedia

    en.wikipedia.org/wiki/Cocooning_(immunization)

    Vaccination works by training the immune system to react promptly to an infection, warding off illness (acquired immunity). People with weak immune systems may have difficulty acquiring and retaining immunity. [medical citation needed] A baby's immune system is not yet fully developed. Babies are more likely to have serious complications or die ...