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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. Latency is the phase in certain viruses' life cycles in which ...
Spillover: Animal Infections and the Next Human Pandemic is 2012 non-fiction book by David Quammen.The book, written in narrative form, tells through the personal experiences of the author, who interviewed numerous pathologists and virologists globally to trace the evolution of some of the major pathogens that have affected the human species following a species leap (), a natural process by ...
The novel opens by describing the process of slaughtering humans, who are referred to as "heads". The world has fallen into chaos after the "Transition", describing an event where a virus that infected animals was found to be deadly to humans, resulting in the mass slaughter and burning of animals, with the world's population forced either to go vegan or eat each other.
While the mechanism of disease-carrying is still unknown, researchers have made progress towards understanding how certain pathogens can remain dormant in a human for a period of time. [4] A better understanding of asymptomatic disease carriers is crucial to the fields of medicine and public health as they work towards mitigating the spread of ...
Nearly 100 percent of people who get infected with the rabies virus will die from it, making it the most lethal known virus. To date, only 14 people have survived the disease after showing symptoms.
The herpes virus can then exit this dormant stage and re-enter the lytic cycle, causing disease symptoms. Thus, while herpes viruses can enter both the lytic and lysogenic cycles, latency allows the virus to survive and evade detection by the immune system due to low viral gene expression. The model organism for studying lysogeny is the lambda ...
She also said that if non-immunocompromised people feel well by day 11 but still test positive on an antigen test, “it is exceedingly unlikely” they’re still infectious.
An inactivated vaccine (or killed vaccine) is a type of vaccine that contains pathogens (such as virus or bacteria) that have been killed or rendered inactive, so they cannot replicate or cause disease. In contrast, live vaccines use pathogens that are still alive (but are almost always attenuated, that is, weakened).