H1N1 flu virus particle, artwork

Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: H1N1 flu virus particle. Computer artwork of an H1N1 influenza A (flu) virus particle (virion). In the particle's lipid envelope (purple) are two types of protein spike, haemagglutinin (H) and neuraminidase (N), which determine the strain of virus. These are used for recognising and binding to the host cell.

Release details: Model release not required. Property release not required.

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