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  2. Viral life cycle - Wikipedia

    en.wikipedia.org/wiki/Viral_life_cycle

    For the virus to reproduce and thereby establish infection, it must enter cells of the host organism and use those cells' materials. To enter the cells, proteins on the surface of the virus interact with proteins of the cell. Attachment, or adsorption, occurs between the viral particle and the host cell membrane.

  3. Viral replication - Wikipedia

    en.wikipedia.org/wiki/Viral_replication

    Viruses may undergo two types of life cycles: the lytic cycle and the lysogenic cycle. In the lytic cycle, the virus introduces its genome into a host cell and initiates replication by hijacking the host's cellular machinery to make new copies of the virus. [12] In the lysogenic life cycle, the viral genome is incorporated into the host genome.

  4. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    For infecting organisms to survive and repeat the infection cycle in other hosts, they (or their progeny) must leave an existing reservoir and cause infection elsewhere. Infection transmission can take place via many potential routes: [29] Droplet contact, also known as the respiratory route, and the resultant infection can be termed airborne ...

  5. Lytic cycle - Wikipedia

    en.wikipedia.org/wiki/Lytic_cycle

    The lytic cycle (/ ˈ l ɪ t ɪ k / LIT-ik) is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages), the other being the lysogenic cycle. The lytic cycle results in the destruction of the infected cell and its membrane.

  6. Lysogenic cycle - Wikipedia

    en.wikipedia.org/wiki/Lysogenic_cycle

    Lysogens can remain in the lysogenic cycle for many generations but can switch to the lytic cycle at any time via a process known as induction. [8] During induction, prophage DNA is excised from the bacterial genome and is transcribed and translated to make coat proteins for the virus and regulate lytic growth.

  7. Viral entry - Wikipedia

    en.wikipedia.org/wiki/Viral_entry

    Viral entry is the earliest stage of infection in the viral life cycle, as the virus comes into contact with the host cell and introduces viral material into the cell. The major steps involved in viral entry are shown below. [1]

  8. Cases of walking pneumonia are surging in kids this ... - AOL

    www.aol.com/news/cases-walking-pneumonia-surging...

    The second reason is that most infections cycle, so some years are worse than others. Doctors tend to see spikes of Mycoplasma pneumonia every 3 to 7 years, as people lose their immunity to the ...

  9. Viral pathogenesis - Wikipedia

    en.wikipedia.org/wiki/Viral_pathogenesis

    A viral infection does not always cause disease. A viral infection simply involves viral replication in the host, but disease is the damage caused by viral multiplication. [5] An individual who has a viral infection but does not display disease symptoms is known as a carrier. [17] Mechanisms by which viruses cause damage and disease to host cells