KATERYNA KON / SCIENCE PHOTO LIBRARY KATERYNA KON / SCIENCE PHOTO LIBRARY
Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on the hands and feet. Certain strains also infect the genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated with cancers, especially cervical cancer.
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