Evidence grows that an HPV screen beats a Pap test at preventing cancer

Switching to a human papillomavirus test may help reduce cases of the disease

HPV

GUILTY AS CHARGED  Human papillomavirus (shown) — especially types 16 and 18 —is responsible for nearly all cases of cervical cancer.

Laboratory of Tumor Virus Biology/NIH/Wikimedia Commons (adapted by E. Otwell)

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