Virus replication cycle, artwork. The cycle starts at upper centre, as virus particles (orange) enter a cell (blue). Once in the cell the viral geneti

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Virus replication cycle, artwork. The cycle starts at upper centre, as virus particles (orange) enter a cell (blue). Once in the cell the viral genetic material, deoxyribonucleic acid (DNA, green), is released. This travels to the cell nucleus (white), where it combines with the cell's DNA (red). The cell then reads the genetic instructions and the cell's biochemical mechanisms build new virus particles containing both sets of DNA. These new virus particles erupt from the cell (lower centre), usually killing it, and then carry on spreading the viral infection as the cycle repeats.

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Size: 2495px × 3434px
Photo credit: © CLAUS LUNAU/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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