201010 LTD / SCIENCE PHOTO LIBRARY 201010 LTD / SCIENCE PHOTO LIBRARY
Rotavirus particles. Computer artwork of several rotavirus particles. Rotavirus viruses are the most common cause of severe diarrhoea among children, killing hundreds of thousands of children worldwide every year. Like all viruses, they consist of a core of genetic material (not seen), wrapped in a protein coat. Surface proteins stick out from the coat, forming the spiky balls seen here.
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