The cervical cancer-causing virus may not fully clear from the body as once thought, experts say.
Many older women infected with the human papillomavirus (HPV) in their youth may not "clear" it from the body as completely as once thought, a new study suggests.
The research hints that HPV infection in older women is often the reactivation of a strain picked up years ago, rather than a newly acquired sexually transmitted infection.
The study authors also found that HPV may be difficult to detect in the body more than one to two years after the initial infection.
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