Nearly 80 million Americans have some strain of the human papillomavirus, which can cause several types of cancer in men and women. The CDC recommends that adolescents receive the HPV vaccine, which protects against cancer-causing strains, but vaccine uptake remains low. To learn more about the virus, vaccination, and new projects to fight HPV at the University of Wisconsin, we talked to Dr. Jake Lauer of the UW Department of Ob-Gyn.