Original sentence: Estimates of prevalence vary from 14% to 90%.One reason for the difference is that some studies measure women who are currently infected, while other studies measure women who have ever been infected.One study found that, during 2003–2004, at any given time, 26.8% of women aged 14 to 59 were infected with at least one type of HPV
Edited sentence: A report of the number of women that have ever been infected by any type will be much higher than the number that are currently infected by one of the high-risk types.Both are actually true, in context:.Quoted statistics of HPV infection vary, with one review finding reported values anywhere from 14% to 90%.Some headlines read "more women than expected have HPV", while others said that infection was "rarer than first estimated".The confusion surrounding the issue is highlighted by news coverage of a comprehensive study published in February 2007.The major reason numbers conflict is simply a lack of context.The study found that, during 2003–2004, at any given time, 26.8% of women aged 14 to 59 were infected with at least one type of HPV