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The origin of these viruses appears to be at least 9400 to 14,000 years ago. The Old World and New World dengue strains diverged between 150 and 450 years ago. The European and Far Eastern tick-borne encephalitis strains diverged about 1087 (1610–649) years ago.
Taxonomy. Phylogenetic tree of Flaviviridae using the NS3 protein sequences. The family has four genera: [1] [2] Genus Flavivirus, renamed Orthoflavivirus in 2023, (includes Dengue virus, Japanese encephalitis, Kyasanur Forest disease, Powassan virus, West Nile virus, Yellow fever virus, and Zika virus)
Jun 25, 2021 · Aedes aegypti is a native African mosquito and, not coincidently, YF originates in Africa. YFV is transmitted through an urban cycle and wild species cycle.
- Rong Zhao, Meiyue Wang, Jing Cao, Jing Shen, Xin Zhou, Deping Wang, Jimin Cao
- 10.3390/life11070615
- 2021
- Life (Basel). 2021 Jul; 11(7): 615.
West Nile virus ( WNV) is a single-stranded RNA virus that causes West Nile fever. It is a member of the family Flaviviridae, from the genus Flavivirus, which also contains the Zika virus, dengue virus, and yellow fever virus. The virus is primarily transmitted by mosquitoes, mostly species of Culex.
Nov 22, 2021 · The Flavivirus genus consists of >70 members including several that are considered significant human pathogens. Flaviviruses display a broad spectrum of diseases that can be roughly categorised into two phenotypes – systemic disease involving haemorrhage exemplified by dengue and yellow Fever virus, and neurological complications associated ...
- Sophie Wilhelmina van Leur, Tiaan Heunis, Deeksha Munnur, Sumana Sanyal
- 10.1080/21505594.2021.1996059
- 2021
- Virulence. 2021; 12(1): 2814-2838.
hepatitis C virus. flavivirus, any virus belonging to the family Flaviviridae. Flaviviruses have enveloped and spherical virions (virus particles) that are between 40 and 60 nm (1 nm = 10 −9 metre) in diameter. The flavivirus genome consists of nonsegmented single-stranded positive-sense RNA (ribonucleic acid).
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May 20, 2021 · Flavivirus (From Latin Flavus meaning yellow of yellow fever): More than 50 species are present comprising of important human pathogens like YFV, DENV, JEV, WNV and TBEV (Alkan et al. 2015). ii. Pestivirus (from Latin Pestis , which means Plague) contains virus species that infect economically important farm animals like pigs, sheep goats and ...
