Assertion: wart's infection | /r/Synonym | human papillomavirus
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text: The vaccine, which protects against several strains of a sexually transmitted infection called human papillomavirus, has been on the market for 12 years; however, it was approved only for people ages 9 to 26.
text: Research has identified what causes warts on head; they are said to be caused by a viral infection that is mostly common in humans and is known as the Human Papilloma virus.