https://www.huffingtonpost.com/2013/09/24/oropharyngeal-cancer-young-adults_n_3983056.html

https://guardian.ng/features/health/hpv-another-silent-highly-contagious-virus-to-worry-about/

https://www.cnn.com/2008/HEALTH/12/22/hm.voice.box/index.html

https://www.wivb.com/news/local-news/local-toddler-battles-rare-disease-with-a-smile/1121667772

https://www.stuff.co.nz/life-style/well-good/teach-me/99029169/hpv-vaccine-unexpectedly-knocks-out-nasty-childhood-throat-disease

https://www.al.com/living/index.ssf/2012/09/hoover_teen_with_recurrent_res.html