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Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant within a cell, denoted as the lysogenic part of the viral life cycle. [1] A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection.
Outside the confines of epidemiology, the term "latent period" may be defined in some general-purpose dictionaries (e.g. the Collins English Dictionary [8] or Merriam-Webster Online Dictionary [9]) as being the time interval between infection by a pathogen and the onset of symptoms, i.e., as a synonymous term for the epidemiologically different ...
Incubation period (also known as the latent period or latency period) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. [1]
Latent viruses like CMV enter our bodies while we're young; after that, they establish a lifelong infection that researchers are only just beginning to understand.
Lytic infection is sometimes known as "productive" infection. Latent cells harbor the virus for long time periods, then occasionally convert to productive infection which may lead to a recurrence of symptomatic Herpes symptoms. During latency, most of the Herpes DNA is inactive, with the exception of LAT, which accumulates within infected cells.
Most individuals are infected with this virus as children which causes an episode of chickenpox. The immune system eventually eliminates the virus from most locations, but it remains dormant (or latent) in the ganglia adjacent to the spinal cord (called the dorsal root ganglion) or the trigeminal ganglion in the base of the skull. [36]
Scientists are looking at reactivation of latent viruses, and other existing post-infection syndromes, for answers about long-haul COVID-19.
Although these latent infections may never be fully eradicated, immunological control is thought to block the appearance of symptoms such as warts. Immunological control is HPV type-specific, meaning an individual may become resistant to one HPV type while remaining susceptible to other types. [citation needed] Types of warts include: