latent virus definition
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latent-virus infection latent-virus infection. (medicine). A chronic, inapparent virus infection in which a virus-host equilibrium is established. (virology).A persistent viral infection in which there is little or no demonstrable presence of the virus and disease symptoms for a long time between episodes of recurrent outbreaks.atent-virus infection. (medicine). A chronic, inapparent virus infection in which a virus-host equilibrium is established. (virology).
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- LINK / CITE ADD TO WORD LIST. noun. The definition of a virus is an extremely tiny parasite that can only reproduce if it is within a living being, or anything that corrupts something else. 1  An example of a virus is HIV.2  An example of a virus is a set of harmful instructions which is placed on a computer to disrupt the operation of the computer.he definition of a virus is an extremely tiny parasite that can only reproduce if it is within a living being, or anything that corrupts something else. 1  An example of a virus is HIV.
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What is the difference between lytic and latent viruses? lytic and latent are parts of the viral life cycle. in the same way that a baby gestates in the womb before it is born, viruses also gestate and are born. a virus will penetrate a cell, then will multiply inside that cell (latent phase) and are born when they burst free form the cell (lytic phase).he new viruses are then free to infect other cells. [edit]Lytic cycle without lysis Some viruses escape the host cell without bursting the cell membrane, but rather bud off from it by taking a portion of the membrane with them.
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- Herpesvirus Latency Herpesvirus Latency--Characteristics (cellular level) 1. Viral genomes persist as nuclear episomes:some herpesviruses express protein thattethers viral chromatin to host chromatin.2.
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virion vi•ri•on. the infectious form of a virus as it exists outside the host cell, consisting of a core of DNA or RNA, a protein coat, and, in some species, an external envelope. virion (1959) = viri(en) viral (see virus, -ian) + -on-on 1 ].i·ri·on. n. A complete viral particle, consisting of RNA or DNA surrounded by a protein shell and constituting the infective form of a virus.
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Infection An infection that is inactive or dormant is called a latent infection. An example of a latent bacterial infection is latent tuberculosis. Some viral infections can also be latent, examples of latent viral infections are any of those from the Herpesviridae family.
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latent period latent period. Also, latency period. Pathology. the interval between exposure to a carcinogen, toxin, or disease-causing organism and development of a consequent disease. Physiology. the interval between stimulus and reaction.
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Latent virus and life expectancy De Gruyter. Latent virus and life expectancy. ScienceDaily. ScienceDaily, 2 July 2015. <www.sciencedaily.com/releases/2015/07/150702073937.htm>.
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syphilis Latent syphilis is a phase of the disease characterized by relative absence of external symptoms. The term latent does not mean that the disease is not progressing or that the patient cannot infect others.For example, pregnant women can transmit syphilis to their unborn children during the latency period.hancres may still be present but are usually healing. Secondary syphilis is a systemic infection marked by the eruption of skin rashes and ulcers in the mucous membranes. The skin rash may mimic a number of other skin disorders such as drug reactions, rubella, ringworm, mononucleosis, and pityriasis rosea.
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- nonliving A virus is a submicroscopic obligatory parasitic particle that infects cells in biological organisms. Viruses are non-living particles that can only replicate when an organism reproduces the virulent RNA or DNA. Viruses are considered non-living because they do not follow the definition of life.
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Definition of 'latent' adjective [usually ADJECTIVE noun] Latent is used to describe something which is hidden and not obvious at the moment, but which may develop further in the future. Advertisements attempt to project a latent meaning behind an overt message. American English: latent.
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What is the difference between lytic and latent viruses? A latent virus is one which is not activated such as a provirus in a retrovirus invasion. Maturation and lysis After many copies of viral components are made, they are assembled into complete viruses.The phage then directs production of an enzyme that breaks down the bacteria cell wall and allows fluid to enter.he new viruses are then free to infect other cells. [edit]Lytic cycle without lysis Some viruses escape the host cell without bursting the cell membrane, but rather bud off from it by taking a portion of the membrane with them.
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Incubation period In a typical infectious disease, incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host. In some diseases, as depicted in this diagram, latent period is shorter than incubation period.epending on the disease, the person may or may not be contagious during the incubation period. During clinical latency, an infection is subclinical. With respect to viral infections, in clinical latency the virus is actively replicating.
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lytic virus Some viruses do not produce rapid lysis of host cells, but rather remain latent for long periods in the host before the appearance of clinical symptoms. This carrier state can take any of several different forms. The term latency is used to denote the interval from infection to clinical manifestations.nfluenza virus. any of a group of orthomyxoviruses that causes influenza. See influenza. latent virus. a noninfective state and is demonstrable by indirect methods that activate it.
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lytic virus latent virus one that ordinarily occurs in a noninfective state and is demonstrable by indirect methods that activate it. lytic virus one that is replicated in the host cell and causes death and lysis of the cell. maedi/visna virus a lentivirus that is the etiologic agent of a type of pneumonia in sheep.
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- latency period. 1. latent period. 2. latency stage. latent period a seemingly inactive period, as that between exposure to an infection and the onset of illness (incubation period) or that between the instant of stimulation and the beginning of response (latency, def. 2).
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Shared Flashcard Set 2. variety of symptoms that make diagnosis of the disease difficult. 3. latent phase whereby the disease may remain dormant for years. Although there may be no symptoms of the disease during this time, the patient is nevertheless infectious. Symptoms may include blindness, insanity, and eventual death.
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Virus latency Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant (latent) within a cell, denoted as the lysogenic part of the viral life cycle. A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection.Latency is the phase in certain viruses' life cycles in which, after initial infection, proliferation of virus particles ceases. However, the viral genome is not fully eradicated.ore serious ramifications of a latent infection could be the possibility of transforming the cell, and forcing the cell into uncontrolled cell division. This is a result of the random insertion of the viral genome into the hosts own gene and expression of host cellular growth factors for the benefit of the virus.
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- 8 THE GOOD CITIZEN social and political change. 14 There was a tremendous increase in the average standard of living as the American economy expanded. The post-war baby boom generation reaped these benefits and, like the cab driver’s children, were often the first in their family to attend college.
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lytic virus helper virus one that aids in the development of a defective virus by supplying or restoring the activity of the viral gene or enabling it to form a protein coat. hepatitis A virus (HAV) any virus of the genus Hepatovirus that causes hepatitis a.
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- Persistent and latent infections may occur if the viral genome becomes integrated into the host cell genome. (Very similar to the example we saw with the F plasmid in the Hfr E. coli cells). When a virus does this it is called lysogeny and such viruses are called lysogenic viruses.ersistent and latent infections may occur if the viral genome becomes integrated into the host cell genome. (Very similar to the example we saw with the F plasmid in the Hfr E. coli cells). When a virus does this it is called lysogeny and such viruses are called lysogenic viruses.
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- Definition of LATENT VIRUS DISEASE. : a moderately virulent but highly infective virus disease especially common in potatoes that often show no visible external symptoms although the yield is significantly reduced. ADVERTISEMENT.efinition of LATENT VIRUS DISEASE. : a moderately virulent but highly infective virus disease especially common in potatoes that often show no visible external symptoms although the yield is significantly reduced. ADVERTISEMENT.
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latent period See also latent image, infection. latent period. a seemingly inactive period, as that between exposure of tissue to an injurious agent and the manifestations of response, or that between the instant of stimulation and the beginning of response.
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Field Epidemiology Manual The period between exposure and infection is called 'latent period', since the pathogen is present in a 'latent' stage, without clinical symptoms or signes of infection in the host. The period between exposure and onset of clinical symptoms is called 'incubation period'. The host may become infectious (i.e. able to transmit the pathogen to other hosts) at any moment of the infection. This moment will vary per pathogen. The following schematic figure demonstrates these different time periods: