The ability of some viruses to remain inactive (latent) for a period of time is exemplified by _______. A. influenza, a particular strain of which returns every 10-20 years B. herpes simplex viruses (oral or genital) whose reproduction is triggered by physiological or emotional stress in the host C. Kaposi's sarcoma, which causes a skin cancer in people with AIDS but rarely in those not infected by HIV D. the virus that causes a form of the common cold, which recurs in patients many times in thein lives

Respuesta :

The ability of some viruses to remain inactive (latent) for a period of time is exemplified by herpes simplex viruses (oral or genital) whose reproduction is triggered by physiological or emotional stress in the host.

Understanding the pathogenesis of herpes simplex virus

HSV infections are impacted by both particular and non-specific host defensive systems.

  • Specific host responses may be quantified when non-specific inflammatory alterations arise, coinciding with a peak in viral replication, but differ from one animal system to the next.
  • Within 4-6 days of illness initiation, delayed-type hypersensitivity reactions are observed in mice, followed by a cytotoxic T-cell response and the development of both IgM- and IgG-specific antibodies.
  • Human host responses are delayed, taking around 7-10 days to develop.
  • Immunodepletion investigations have revealed the relevance of cytotoxic T-cells (CTLs) in cutaneous disease resolution.
  • Adoptive transfer of CD8+ or HSV-immune CD4+ T cells lowers viral replication or provides challenge protection.

Hence, the correct answer is an option (B)

Learn more about HSV here,

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