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The Origin of the Variola Virus [PDF]

open access: yesViruses, 2015
The question of the origin of smallpox, one of the major menaces to humankind, is a constant concern for the scientific community. Smallpox is caused by the agent referred to as the variola virus (VARV), which belongs to the genus Orthopoxvirus.
Igor V. Babkin, Irina N. Babkina
doaj   +5 more sources

Gene duplication, gene loss, and recombination events with variola virus shaped the complex evolutionary path of historical American horsepox-based smallpox vaccines [PDF]

open access: yesmBio, 2023
Vaccinia virus is the active component of all modern smallpox vaccines after the mid-20th century, but it is uncertain to what extent cowpox, vaccinia, and horsepox viruses were used to produce vaccines before then.
Aline R. V. Souza   +4 more
doaj   +2 more sources

Prediction of steps in the evolution of variola virus host range. [PDF]

open access: yesPLoS ONE, 2014
Variola virus, the agent of smallpox, has a severely restricted host range (humans) but a devastatingly high mortality rate. Although smallpox has been eradicated by a World Health Organization vaccination program, knowledge of the evolutionary processes
Chad Smithson   +3 more
doaj   +2 more sources

ESR and NMR studies provide evidence that phosphatidyl glycerol specifically interacts with poxvirus membranes [PDF]

open access: yesVirology Journal, 2010
Background The lung would be the first organ targeted in case of the use of Variola virus (the causative agent of smallpox) as a bioweapon. Pulmonary surfactant composed of lipids (90%) and proteins (10%) is considered the major physiological barrier ...
Perino Julien   +3 more
doaj   +3 more sources

Evidence of Long-Distance Aerial Convection of Variola Virus and Implications for Disease Control [PDF]

open access: yesViruses, 2019
Two distinct phenomena of airborne transmission of variola virus (smallpox) were described in the pre-eradication era—direct respiratory transmission, and a unique phenomenon of transmission over greater distances, referred to as “aerial ...
Chandini Raina MacIntyre   +4 more
doaj   +2 more sources

Re-Assembly and Analysis of an Ancient Variola Virus Genome [PDF]

open access: yesViruses, 2017
We report a major improvement to the assembly of published short read sequencing data from an ancient variola virus (VARV) genome by the removal of contig-capping sequencing tags and manual searches for gap-spanning reads. The new assembly, together with
Chad Smithson, Jacob Imbery, Chris Upton
doaj   +2 more sources

A Multiplex PCR/LDR Assay for the Simultaneous Identification of Category A Infectious Pathogens: Agents of Viral Hemorrhagic Fever and Variola Virus. [PDF]

open access: yesPLoS ONE, 2015
CDC designated category A infectious agents pose a major risk to national security and require special action for public health preparedness. They include viruses that cause viral hemorrhagic fever (VHF) syndrome as well as variola virus, the agent of ...
Sanchita Das   +12 more
doaj   +2 more sources

EPIPOX: Immunoinformatic Characterization of the Shared T-Cell Epitome between Variola Virus and Related Pathogenic Orthopoxviruses [PDF]

open access: yesJournal of Immunology Research, 2015
Concerns that variola viruses might be used as bioweapons have renewed the interest in developing new and safer smallpox vaccines. Variola virus genomes are now widely available, allowing computational characterization of the entire T-cell epitome and ...
Magdalena Molero-Abraham   +4 more
doaj   +2 more sources

Neutralization Determinants on Poxviruses

open access: yesViruses, 2023
Smallpox was a highly contagious disease caused by the variola virus. The disease affected millions of people over thousands of years and variola virus ranked as one of the deadliest viruses in human history. The complete eradication of smallpox in 1980,
Vernuccio Riccardo, Guardado-Calvo Pablo
doaj   +1 more source

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