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A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. [1] Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. [2] [3] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.
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Leprosy. Leprosy, also known as Hansen's disease ( HD ), is a long-term infection by the bacteria Mycobacterium leprae or Mycobacterium lepromatosis. [4] [7] Infection can lead to damage of the nerves, respiratory tract, skin, and eyes. [4] This nerve damage may result in a lack of ability to feel pain, which can lead to the loss of parts of a ...
Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease ...
Adrenochrome is a chemical compound produced by the oxidation of adrenaline (epinephrine). It was the subject of limited research from the 1950s through to the 1970s as a potential cause of schizophrenia. While it has no current medical application, the semicarbazide derivative, carbazochrome, is a hemostatic medication. Despite this compound ...
Human papillomavirus infection ( HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5] Many HPV infections cause no symptoms and 90% resolve spontaneously within two years. [1] In some cases, an HPV infection persists and results in either warts or precancerous lesions. [2] These lesions, depending on the site affected ...
Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses.[1] Symptoms typically start anywhere between two days and three weeks after infection.[3] The first symptoms are usually fever, sore throat, muscle pain, and headaches.[1] These ...
1 May 2024. ( 2024-05-01) Shardlake is a four-part television series on Disney+ based on the Shardlake series of historical mystery novels by C. J. Sansom set in the reign of Henry VIII in the 16th century. The series is adapted by Stephen Butchard and directed by Justin Chadwick and produced by The Forge. Arthur Hughes stars as the eponymous ...
