In biology and immunology, an alphavirus belongs to the group IV Togaviridae family of viruses, according to the system of classification based on viral genome composition introduced by David Baltimore in 1971. Alphaviruses, like all other group IV viruses have a positive sense single stranded RNA genome. There are 27 alphaviruses, able to infect various vertebrates such as humans, rodents, birds, and larger mammals such as horses as well as invertebrates. Transmission between species and...
In biology and immunology, an alphavirus belongs to the group IV Togaviridae family of viruses, according to the system of classification based on viral genome composition introduced by David Baltimore in 1971. Alphaviruses, like all other group IV viruses have a positive sense single stranded RNA genome. There are 27 alphaviruses, able to infect various vertebrates such as humans, rodents, birds, and larger mammals such as horses as well as invertebrates. Transmission between species and individuals occurs via mosquitoes making the alphaviruses a contributor to the collection of Arboviruses – or Arthropod Borne Viruses. Alphaviruses particles are enveloped have a 70 nm diameter, tend to be spherical and have a 40 nm isometric nucleocapsid
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Однажды Якоб, Песочный человечек, едва не проспал, но, к счастью, его разбудил мышонок Грéгор. Друзья отправляются за волшебным сонным песком, который Якоб рассыпает над городами и сёлами, чтобы детям снились хорошие сны. Но на этот раз на песке спит огромный и ужасный Ночной страшила. Удастся ли теперь Якобу набрать волшебного песка?
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