Pap tests are one of the most familiar — and successful — cancer screening tests ever invented. Since their introduction in the 1950s, cervical cancer deaths in the US have fallen by more than 60 percent.
But now, a growing number of scientists say, the Pap may be past its prime.
In its place, they are calling for a simple test, one that’s already routinely used as a second-line test around the world: screening for human papillomavirus (HPV).
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