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  2. Pneumonoultramicroscopicsilicovolcanoconiosis - Wikipedia

    en.wikipedia.org/wiki/Pneumonoultramicroscopicsi...

    Pneumono­ultra­micro­scopic­silico­volcano­coniosis is the longest word in the English language. The word can be analysed as follows: This word was invented in the daily meeting from the National Puzzlers' League (N.P.L.) by its president Everett M. Smith. The word featured in the headline for an article published by the New York Herald ...

  3. Cancer - Wikipedia

    en.wikipedia.org/wiki/Cancer

    10 million annually (2019) [ 6 ] Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [ 2 ][ 7 ] These contrast with benign tumors, which do not spread. [ 7 ] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a ...

  4. Mesothelioma - Wikipedia

    en.wikipedia.org/wiki/Mesothelioma

    Mesothelioma is a type of cancer that develops from the thin layer of tissue that covers many of the internal organs (known as the mesothelium). [ 10 ] The area most commonly affected is the lining of the lungs and chest wall. [ 1 ][ 3 ] Less commonly the lining of the abdomen and rarely the sac surrounding the heart, [ 11 ] or the sac ...

  5. Glioblastoma - Wikipedia

    en.wikipedia.org/wiki/Glioblastoma

    Glioblastoma, previously known as glioblastoma multiforme (GBM), is the most aggressive and most common type of cancer that originates in the brain, and has a very poor prognosis for survival. [6][7][8] Initial signs and symptoms of glioblastoma are nonspecific. [1] They may include headaches, personality changes, nausea, and symptoms similar ...

  6. Sepsis - Wikipedia

    en.wikipedia.org/wiki/Sepsis

    Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs. [4][7] This initial stage of sepsis is followed by suppression of the immune system. [8] Common signs and symptoms include fever, increased heart rate, increased breathing rate, and confusion. [1]

  7. Vaccination - Wikipedia

    en.wikipedia.org/wiki/Vaccination

    Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease.

  8. COVID-19 naming - Wikipedia

    en.wikipedia.org/wiki/COVID-19_naming

    On 11 February 2020, the WHO named the disease COVID-19 (short for coronavirus disease 2019). That same day, the International Committee on Taxonomy of Viruses (ICTV) formally announced it had named the causative virus as SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) based upon its genetic similarity to the 2003 SARS-CoV.

  9. Vaccine - Wikipedia

    en.wikipedia.org/wiki/Vaccine

    e. A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. [1][2] The safety and effectiveness of vaccines has been widely studied and verified. [3][4] A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or ...