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  2. Pathogen transmission - Wikipedia

    en.wikipedia.org/wiki/Pathogen_transmission

    Transmissibility is the probability of an infection, given a contact between an infected host and a noninfected host. [8] Community transmission means that the source of infection for the spread of an illness is unknown or a link in terms of contacts between patients and other people is missing. It refers to the difficulty in grasping the ...

  3. Contagious disease - Wikipedia

    en.wikipedia.org/wiki/Contagious_disease

    A contagious disease is an infectious disease that is readily spread (that is, communicated) by transmission of a pathogen through contact (direct or indirect) with an infected person. [ 1] A disease is often known to be contagious before medical science discovers its causative agent. Koch's postulates, which were published at the end of the ...

  4. Fecal–oral route - Wikipedia

    en.wikipedia.org/wiki/Fecal–oral_route

    Fecal–oral transmission is primarily considered as an indirect contact route through contaminated food or water. However, it can also operate through direct contact with feces or contaminated body parts, such as through anal sex. [2] [3] It can also operate through droplet or airborne transmission through the toilet plume from contaminated ...

  5. Transmission-based precautions - Wikipedia

    en.wikipedia.org/wiki/Transmission-Based_Precautions

    Transmission-based precautions are infection-control precautions in health care, in addition to the so-called "standard precautions". They are the latest routine infection prevention and control practices applied for patients who are known or suspected to be infected or colonized with infectious agents, including certain epidemiologically important pathogens, which require additional control ...

  6. Contact tracing - Wikipedia

    en.wikipedia.org/wiki/Contact_tracing

    Contact tracing attempts to find all contacts of a confirmed case, in order to test or monitor them for infection. The goal is to stop the spread of a disease by finding and isolating cases. In public health, contact tracing is the process of identifying people who may have been exposed to an infected person ("contacts") and subsequent ...

  7. Diphtheria - Wikipedia

    en.wikipedia.org/wiki/Diphtheria

    Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae. [ 2] Most infections are asymptomatic or have a mild clinical course, but in some outbreaks, the mortality rate approaches 10%. [ 1] Signs and symptoms may vary from mild to severe, [ 1] and usually start two to five days after exposure. [ 2]

  8. Transmission of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_COVID-19

    Transmission of COVID-19. The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets / aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or ...

  9. Airborne transmission - Wikipedia

    en.wikipedia.org/wiki/Airborne_transmission

    Airborne diseases can be transmitted from one individual to another through the air. The pathogens transmitted may be any kind of microbe, and they may be spread in aerosols, dust or droplets. The aerosols might be generated from sources of infection such as the bodily secretions of an infected individual, or biological wastes.