Results 111 to 120 of about 1,665,482 (247)

Orthopoxvirus Genes That Mediate Disease Virulence and Host Tropism

open access: yesAdvances in Virology, 2012
In the course of evolution, viruses have developed various molecular mechanisms to evade the defense reactions of the host organism. When understanding the mechanisms used by viruses to overcome manifold defense systems of the animal organism ...
Sergei N. Shchelkunov
doaj   +1 more source

Microbial Ecology of Permafrost Soils: Populations, Processes, and Perspectives

open access: yesPermafrost and Periglacial Processes, Volume 36, Issue 2, Page 245-258, April/June 2025.
ABSTRACT Permafrost microbial research has flourished in the past decades, due in part to improvements in sampling and molecular techniques, but also the increased focus on the permafrost greenhouse gas feedback to climate change and other ecological processes in high latitude and alpine permafrost soils.
Mark P. Waldrop   +33 more
wiley   +1 more source

Evidence for Persistence of Ectromelia Virus in Inbred Mice, Recrudescence Following Immunosuppression and Transmission to Naïve Mice.

open access: yesPLoS Pathogens, 2015
Orthopoxviruses (OPV), including variola, vaccinia, monkeypox, cowpox and ectromelia viruses cause acute infections in their hosts. With the exception of variola virus (VARV), the etiological agent of smallpox, other OPV have been reported to persist in ...
Isaac G Sakala   +6 more
doaj   +1 more source

Smallpox in the Post-Eradication Era

open access: yesViruses, 2020
Widespread vaccination programmes led to the global eradication of smallpox, which was certified by the World Health Organisation (WHO), and, since 1978, there has been no case of smallpox anywhere in the world.
Hermann Meyer   +2 more
doaj   +1 more source

Preventing the return of smallpox: molecular modeling studies on thymidylate kinase from Variola virus

open access: yesJournal of Biomolecular Structure and Dynamics, 2014
Smallpox was one of the most devastating diseases in the human history and still represents a serious menace today due to its potential use by bioterrorists.
A. P. Guimarães   +2 more
semanticscholar   +1 more source

Genomic analysis of vaccinia virus strain TianTan provides new insights into the evolution and evolutionary relationships between Orthopoxviruses [PDF]

open access: yes, 2013
Vaccinia virus (VACV) strain TianTan was used for much of China's modern history to vaccinate against smallpox, however the only genome sequence contains errors.
Evans, David H., Liang, Min, Qin, Li
core   +1 more source

Pandemic Prevention Paradigms: Understanding Global Health Governance

open access: yesPublic Health Challenges, Volume 4, Issue 2, June 2025.
One Health is an emerging area of integrative studies and interventions aimed at preventing zoonotic diseases by addressing human, animal, and environmental interactions. A fundamental aspect of the concept is understanding how these interactions influence health outcomes among humans, animals, and ecosystems. Developed initially to respond to the need
Soheil Sadr   +10 more
wiley   +1 more source

Bibliography on inactivation of viruses and rickettsiae by heat [PDF]

open access: yes
Inactivation of viruses and rickettsiae by heat ...
Homann, L. M., Watson, M. S.
core   +1 more source

Time scale evolution of avipoxviruses [PDF]

open access: yes, 1952
Avipoxviruses are divided into three clades: canarypox-like viruses, fowlpox-like viruses, and psittacinepox-like viruses. Several molecular clock and demographic models available in the BEAST package were compared on three avipoxvirus genes (P4b ...
Le Loc’h, Guillaume   +2 more
core   +1 more source

Land Use Change and Infectious Disease Emergence

open access: yesReviews of Geophysics, Volume 63, Issue 2, June 2025.
Abstract Major infectious diseases threatening human health are transmitted to people from animals or by arthropod vectors such as insects. In recent decades, disease outbreaks have become more common, especially in tropical regions, including new and emerging infections that were previously undetected or unknown. Even though there is growing awareness
M. Cristina Rulli   +6 more
wiley   +1 more source

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