Emerging Infectious Disease ISSN: 1080-6059

Oropharyngeal Cancer Epidemic and Human Papillomavirus

Torbjörn Ramqvist and Tina Dalianis

Author affiliations: Karolinska Institutet, Stockholm, Sweden (T. Ramqvist, T. Dalianis); Swedish Institute for Infectious Disease Control, Solna, Sweden (T. Dalianis)

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Figure 3

Estimated age-standardized incidence of human papillomavirus (HPV)–positive and HPV-negative tonsillar cancer squamous cell carcinoma cases per 100,000 person-years, Stockholm, Sweden, 1970–2006. Error bars indicate 95% confidence intervals. Data from Näsman et al. (13), with permission of John Wiley and Sons (www.interscience.wiley.com).

Figure 3. Estimated age-standardized incidence of human papillomavirus (HPV)–positive and HPV-negative tonsillar cancer squamous cell carcinoma cases per 100,000 person-years, Stockholm, Sweden, 1970–2006. Error bars indicate 95% confidence intervals. Data from Näsman et al. (13), with permission of John Wiley and Sons (www.interscience.wiley.com).

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