Avian Influenza Virus #8 is a photograph by Alfred Pasieka/science Photo Library which was uploaded on September 25th, 2018.
Avian Influenza Virus #8
Avian flu virus, computer artwork. A virus is a tiny pathogenic particle comprising genetic material enclosed in a protein coat. The coat contains... more
Title
Avian Influenza Virus #8
Artist
Alfred Pasieka/science Photo Library
Medium
Photograph
Description
Avian flu virus, computer artwork. A virus is a tiny pathogenic particle comprising genetic material enclosed in a protein coat. The coat contains surface proteins (spikes). Flu viruses have two types of surface protein, called haemagglutinin (H) and neuraminidase (N). These exist in several subtypes, some of which are pathogenic in humans, like H5N1 or H7N9.The surface proteins are essential for the life cycle of the virus. Haemagglutinin allows the virus to bind to and enter a host cell, where the virus uses the cell's machinery to create more copies of the virus. Neuraminidase allows the new virus particles to exit the cell, so that they can infect others.
Uploaded
September 25th, 2018
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