o https://youtu.be/PrdSal9uH28?t=67
o https://en.wikipedia.org/wiki/File:Number_of_poliovirus_cases_by_year.png
o https://en.wikipedia.org/wiki/File:Number_of_cVDPV_cases_since_2000.png
o https://healthfreedomidaho.org/the-eradication-of-polio/
o https://youtu.be/AkujMTSFr9o?t=17
o https://cdn.discordapp.com/attachments/706285813855682590/776272953053937674/unknown.png
