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  2. Pathogen - Wikipedia

    en.wikipedia.org/wiki/Pathogen

    [2] [3] Typically, the term pathogen is used to describe an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus. [4] [5] [6] Small animals, such as helminths and insects, can also cause or transmit disease. However, these animals are usually referred to as parasites rather than pathogens. [7]

  3. List of infectious diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_infectious_diseases

    Epstein–Barr virus infectious mononucleosis (Mono) Diagnostic modalities for infectious mononucleosis include: Person's age, with highest risk at 10 to 30 years. Medical history, such as close contact with other people with infectious mononucleosis; Physical examination, including palpation of any enlarged lymph nodes in the neck, or enlarged ...

  4. Outline of infectious disease concepts - Wikipedia

    en.wikipedia.org/wiki/Outline_of_infectious...

    The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.

  5. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    Not all infectious agents cause disease in all hosts. For example, less than 5% of individuals infected with polio develop disease. [24] On the other hand, some infectious agents are highly virulent. The prion causing mad cow disease and Creutzfeldt–Jakob disease invariably kills all animals and people that are infected. [25]

  6. Category:Infectious diseases - Wikipedia

    en.wikipedia.org/wiki/Category:Infectious_diseases

    Generally, diseases outlined within the ICD-10 codes A00-B99 within Chapter I: Certain infectious and parasitic diseases should be included in this category. Infectious diseases are diseases caused by biological agents, which can be transmitted to others, rather than by genetic, physical or chemical agents.

  7. Virus classification - Wikipedia

    en.wikipedia.org/wiki/Virus_classification

    Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms. Viruses are classified by phenotypic characteristics, such as morphology , nucleic acid type, mode of replication, host organisms , and the type of disease they cause.

  8. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    Biohazardous agents are classified for transportation by UN number: [2] Category A, UN 2814 – Infectious substance, affecting humans: An infectious substance in a form capable of causing permanent disability or life-threatening or fatal disease in otherwise healthy humans or animals when exposure to it occurs.

  9. Pathogen transmission - Wikipedia

    en.wikipedia.org/wiki/Pathogen_transmission

    An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...