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File:Influenza virus.png

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Influenza Virus photo from

A/Hong Kong/1/68

Influenza virus, A/Hong Kong/1/68, the causative agent of the 1968 global epidemic. Negatively stained virions showing surface projections which contain the receptors by which the virus attaches to host respiratory tract epithelial cells. Magnification: approximately x70,000. Micrograph from F. A. Murphy, School of Veterinary Medicine, University of California, Davis.


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