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Human papilloma virus (HPV) enters healthy tissue (left) by way of a cut or abrasion to infect basal keratinocytes (middle). The virus spreads as it replicates and integrates into the DNA of the cells (right), where it begins a process of malignant change, multiplying and forming a tumor (pale yellow, center). The HPV vaccine is directed against these cells.

Credit
Carol Werner

Dimensions
5100 x 3400 pixels

Print Size @ 300 dpi
17 x 11 inches / 43 x 29 cm

Releases
Model No you may not need it
Property No you may not need it
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