ED
Measles Virus (electron micrograph) (Date taken unknown)
^BMeasles virus.^b Coloured Transmission Electron Micrograph (TEM) of a measles virus from the ^Imorbillivirus^i group. The virus is surrounded by a lipoprotein envelope which is acquired from the host cell as the virus "buds off" from the cell surface. The envelope also contains protein factors which promote infection of further host cells. Within this envelope is seen a purple mass of the nucleocapsid; a helical structure containing it's genetic material surrounded by protein. Measles is highly infectious and mainly affects children, producing fever and rash. One attack usually gives life-long immunity. Magnification: x100,000 at 6x6cm size.
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ID
35556137
Collection
License type
Editorial
Photographer
Creation date
15-09-2016
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