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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.
Jun 25, 2021 · YFV causes yellow fever, an infectious disease also named “Blood Vomit”. YFV is transmitted by a commonly known yellow fever mosquito, Aedes aegypti. 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.
Flaviviridae is a family of enveloped positive-strand RNA viruses which mainly infect mammals and birds. [1] They are primarily spread through arthropod vectors (mainly ticks and mosquitoes ). [2] The family gets its name from the yellow fever virus; flavus is Latin for "yellow", and yellow fever in turn was named because of its propensity to ...
The flavivirus family derives its name from one of the greatest plagues in history, yellow fever ("flavi"= yellow in Latin). The yellow fever epidemic started hundreds of years ago when the virus and its vector, a mosquito known as Aedes aegypti , were transported to the New World in the water casks of slave ships from West Africa.
Apr 30, 2017 · Evaluations of phylogenetic divergence times indicate the origins of the flaviviruses go back around 100,000 years to a common ancestor with the split between mosquito- and tick-borne flaviviruses around 40,000 years ago [ 1 ].
- Michael R. Holbrook
- 10.3390/v9050097
- 2017
- Viruses. 2017 May; 9(5): 97.
Nov 22, 2021 · The first key step in the flavivirus life cycle is the attachment of viral glycoproteins to the host cell surface, followed by interaction with one or several host cell surface receptors. Flavivirus-host cell surface receptor interactions subsequently trigger virion internalisation by endocytosis . Even though attachment and entry are key steps ...
flavivirus: introduction Most flaviviruses are arthropod-borne viruses which cause mild rash and fever or life-threatening hemorrhagic fever and encephalitis in infected individuals. These arboviruses, including dengue, yellow fever, Japanese encephalitis, and tick-borne encephalitis, constitute a major threat to the developing world where ...
