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  2. 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 ...

  3. 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.. Infectiontransmission, 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.

  4. Transmission of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_COVID-19

    The Pfizer-BioNTech, Moderna, AstraZeneca and Janssen COVID-19 vaccines provide effective protection against COVID-19, including against severe disease, hospitalisation, and death, and "a growing body of evidence suggests that COVID-19 vaccines also reduce asymptomatic infection and transmission" as chains of transmission are interrupted by ...

  5. Contagious disease - Wikipedia

    en.wikipedia.org/wiki/Contagious_disease

    This clinic uses negative room pressure to prevent disease transmission. Most epidemics are caused by contagious diseases, with occasional exceptions, such as yellow fever. The spread of non-contagious communicable diseases is changed either very little or not at all by medical isolation of ill persons or medical quarantine for exposed persons ...

  6. Airborne transmission - Wikipedia

    en.wikipedia.org/wiki/Airborne_transmission

    It is intended to be posted outside rooms of patients with an infection that can spread through airborne transmission. [1] Video explainer on reducing airborne pathogen transmission indoors. Airborne transmission or aerosol transmission is transmission of an infectious disease through small particles suspended in the air. [2]

  7. List of zoonotic diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_zoonotic_diseases

    Mode of transmission Emergence African sleeping sickness: Trypanosoma brucei rhodesiense: range of wild animals and domestic livestock transmitted by the bite of the tsetse fly 'Present in Africa for thousands of years' – major outbreak 1900–1920, cases continue (sub-Saharan Africa, 2020). Angiostrongyliasis

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  9. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    Vector-borne transmission, transmitted by a vector, which is an organism that does not cause disease itself but that transmits infection by conveying pathogens from one host to another. [ 32 ] The relationship between virulence versus transmissibility is complex; with studies have shown that there were no clear relationship between the two.