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Human papillomaviruses (HPV) are widespread DNA viruses that can infect epithelial cells of the skin and mucosa. Most HPV infections remain clinically unapparent and clear spontaneously. In few cases, however, HPV infections persist and can cause benign and malignant neoplasms at different anatomic locations. Malignant HPV-induced neoplasms are caused by distinct types of HPV (oncogenic or high-risk...
Patients with cancer and organ graft recipients remain highly susceptible to life-threatening infections. Specific defects in one or more of the host defence mechanisms are associated with characteristic infections with particular pathogens. In addition, certain infections follow temporal patterns. Diagnosis of infection requires careful examination, concentrating on selected body sites and systems...
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