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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 ...
Destroying the virus now is merely a symbolic act that would slow our progress and could even stop it completely, leaving the world vulnerable.... Destruction of the last securely stored viruses is an irrevocable action that should occur only when the global community has eliminated the threat of smallpox once and for all.
A child with smallpox.In 1980, the World Health Organization announced the global eradication of smallpox. It is the only human disease to be eradicated worldwide. Video recording of a set of presentations given in 2010 about humanity's efforts towards malaria eradication
Filoviruses like Ebola and Marburg. Viruses in this family cause hemorrhagic, or bloody, fevers, which are typically accompanied by bleeding from bodily orifices and/or internal organs.
Virus crystallisation is the re-arrangement of viral components into solid crystal particles. [1] The crystals are composed of thousands of inactive forms of a particular virus arranged in the shape of a prism. [2] The inactive nature of virus crystals provide advantages for immunologists to effectively analyze the structure and function behind ...
The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.
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.
After an unusually early spike in respiratory viruses, RSV may have peaked or leveled off in some parts of the U.S., while influenza and COVID-19 cases are climbing.