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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 eradicated. The virus can reactivate and begin producing large ...
In epidemiology, particularly in the discussion of infectious disease dynamics (modeling), the latent period (also known as the latency period or the pre-infectious period) is the time interval between when an individual or host is infected by a pathogen and when that individual becomes infectious, i.e. capable of transmitting pathogens to ...
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [1] Examples are the common cold, gastroenteritis and pneumonia. [2]
A subclinical infection —sometimes called a preinfection or inapparent infection —is an infection by a pathogen that causes few or no signs or symptoms of infection in the host. [1] Subclinical infections can occur in both humans and animals. [2] Depending on the pathogen, which can be a virus or intestinal parasite, the host may be ...
An asymptomatic carrier is a person or other organism that has become infected with a pathogen, but shows no signs or symptoms. [1] Although unaffected by the pathogen, carriers can transmit it to others or develop symptoms in later stages of the disease. Asymptomatic carriers play a critical role in the transmission of common infectious ...
The virus is widespread in shallot and garlic without causing any clear symptoms, hence its name 'latent'. However, in mixed infection with leek yellow stripe virus (LYSV, Potyvirus) induces severe chlorotic and white stripes on shallot leaves. [1] The aphids Myzus ascalonicus and Aphis fabae transmit SLV in a non-persistent manner, but Myzus ...
Tymovirales. Family: Betaflexiviridae. Genus: Carlavirus. Species: Garlic common latent virus. Garlic common latent virus (GarCLV) is a plant virus member of the genus Carlavirus that has been found infecting garlic globally. [1] [2] Detection of the virus in leek and onion has also been reported.
One example of a productive cytocidal infection is the herpes virus. Persistent infections. There are three types of persistent infections, latent, chronic and slow, in which the virus stays inside the host cell for prolonged periods of time. During latent infections there is minimal to no expression of infected viral genome. The genome remains ...