In the United States, the incidence of oropharyngeal squamous cell carcinoma increased by 22% between 1999 and 2006.
The increase in incidence of oropharyngeal squamous cell carcinoma seems to be accounted for by a rise in human papillomavirus (HPV) related oropharyngeal carcinoma.
References:
Oropharyngeal carcinoma related to human papillomavirus. BMJ 2010; 340:c1439 doi: 10.1136/bmj.c1439 (Published 25 March 2010).
Image source: HPV types and associated diseases, Wikipedia, public domain.
Twitter comments:
@travispew (Travis Pew): So get your kids the HPV shot.