International Journal of Infectious Diseases Is vaccine type seropositivity a marker for human papillomavirus vaccination? National Health and Nutrition Examination Survey, 2003–2010  Emiko Y. Petrosky, Susan Hariri, Lauri E. Markowitz, Gitika Panicker, Elizabeth R. Unger, Eileen F. Dunne  International Journal of Infectious Diseases  Volume 33, Pages 137-141 (April 2015) DOI: 10.1016/j.ijid.2015.01.010 Copyright © 2015 Terms and Conditions

Figure 1 Seropositivity to HPV 6/11/16a by age group in the pre-vaccine era (2003–2006) and vaccine era (2007–2010) and reported receipt of one or more dose of HPV vaccine in the vaccine era in females aged 14–59 yearsb; National Health and Nutrition Examination Survey, 2003–2010. HPV, human papillomavirus. aWith or without seropositivity to HPV18. bAt the time of the survey. International Journal of Infectious Diseases 2015 33, 137-141DOI: (10.1016/j.ijid.2015.01.010) Copyright © 2015 Terms and Conditions