Zika virus structure

Videonummer 11946413
Animation of the structure of a Zika virus particle. The virus has an outer coat or envelope, studded with glycoproteins that help it bind to its target cell. Inside this is the protein capsid (red), which encloses the genetic material. This virus causes Zika fever, and is spread by the bites of infected mosquitoes. The disease originated in tropical east Africa, and was first detected in Uganda in 1947. Since April 2015 there has been a significant outbreak in South America, which started in Brazil and is spreading rapidly. The World Health Organisation stated it expected the disease to have spread to the majority of the Americas by the end of 2016. There have been reports of sexual transmission of the virus, and also of birth defects in pregnant women who become infected, with a rise in the rate of microcephaly being linked to the disease. Zika virus is a flavivirus, related to yellow fever. Each virus particle is around 50 nanometres in diameter.
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Credit: Science Photo Library / Kon, Kateryna
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Länge: 12 Sekunden
Seitenverhältnis: 16:9
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