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  2. Viral pathogenesis - Wikipedia

    en.wikipedia.org/wiki/Viral_pathogenesis

    Viral pathogenesis is the study of the process and mechanisms by which viruses cause diseases in their target hosts, often at the cellular or molecular level. It is a specialized field of study in virology. [1] Pathogenesis is a qualitative description of the process by which an initial infection causes disease. [2]

  3. Human pathogen - Wikipedia

    en.wikipedia.org/wiki/Human_pathogen

    A human pathogen is a pathogen (microbe or microorganism such as a virus, bacterium, prion, or fungus) that causes disease in humans. The human physiological defense against common pathogens (such as Pneumocystis ) is mainly the responsibility of the immune system with help by some of the body's normal microbiota .

  4. Introduction to viruses - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_viruses

    Viral infections can cause disease in humans, animals and plants. In healthy humans and animals, infections are usually eliminated by the immune system, which can provide lifetime immunity to the host for that virus. Antibiotics, which work against bacteria, have no impact, but antiviral drugs can treat life-threatening infections. Those ...

  5. Virus - Wikipedia

    en.wikipedia.org/wiki/Virus

    Viruses accepted to cause human cancers include some genotypes of human papillomavirus, hepatitis B virus, hepatitis C virus, Epstein–Barr virus, Kaposi's sarcoma-associated herpesvirus and human T-lymphotropic virus. The most recently discovered human cancer virus is a polyomavirus (Merkel cell polyomavirus) that causes most cases of a rare ...

  6. Host–pathogen interaction - Wikipedia

    en.wikipedia.org/wiki/Host–pathogen_interaction

    Commensalism is when the pathogen benefits while the host gains nothing from the interaction. An example of this is Bacteroides thetaiotaomicron, which resides in the human intestinal tract but provides no known benefits. [6] Mutualism occurs when both the pathogen and the host benefit from the interaction, as seen in the human stomach.

  7. Zoonotic origins of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Zoonotic_origins_of_COVID-19

    SARS-CoV-2 shares amino acid identity with a furin cleavage site of human ENaC α subunit. [30] [31] [b] Human ENaC is identical only to that of a few great apes and Pipistrellus kuhli. [32] SARS-CoV-2 is also distinct among human coronaviruses for having a single intact ORF8 gene rather than "a" and "b" subunits. [1]

  8. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    The human strains of Ebola virus, for example, incapacitate those infected extremely quickly and kill them soon after. As a result, those affected by this disease do not have the opportunity to travel very far from the initial infection zone. [72] Also, this virus must spread through skin lesions or permeable membranes such as the eye.

  9. Virology - Wikipedia

    en.wikipedia.org/wiki/Virology

    Gamma phage, an example of virus particles (visualised by electron microscopy) Virology is the scientific study of biological viruses.It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they ...