Why Haven't We Eradicated Polio?

If we’ve had vaccines for the polio virus for almost 70 years, why haven’t we been able to fully eradicate it from the globe?

Hosted by: Hank Green (he/him)

Thumbnail Image Credit: Dr Graham Beards
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Sources:
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Image Sources:
https://commons.wikimedia.org/wiki/File:Salk_headlines.jpg
https://commons.wikimedia.org/wiki/File:Polio_EM_PHIL_1875_lores.PNG
https://commons.wikimedia.org/wiki/File:Ancient_Egyptian_polio_Roma2.jpg
bit.ly/3ikN1LB
bit.ly/3CrgudB
bit.ly/3GlAXS5
bit.ly/3Iu02x0
bit.ly/3XadJFy
bit.ly/3jNOjip
bit.ly/3VJUj9b
bit.ly/3GJqT75
bit.ly/3GKi5O0
https://commons.wikimedia.org/wiki/File:Polio_vaccine,_1956_(16635529011).jpg
https://commons.wikimedia.org/wiki/File:Dr_Jonas_Edward_Salk_(cropped)_(cropped).jpg
bit.ly/3GJe6BC
https://commons.wikimedia.org/wiki/File:Gallo,_Robert_C._and_Sabin,_Albert_b..jpg
https://commons.wikimedia.org/wiki/File:Bundesarchiv_B_145_Bild-F025952-0018,_Bonn,_Gesundheitsamt,_Schutzimpfung.jpg
https://commons.wikimedia.org/wiki/File:Oral_Polio_Vaccine.jpg
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bit.ly/3VN6lib
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bit.ly/3XaegHy
https://www.gettyimages.com/detail/video/people-on-shopping-street-in-brussels-slow-motion-stock-footage/1387029543?phrase=crowd&adppopup=true
https://commons.wikimedia.org/wiki/File:Polioviruses.jpg
https://www.gettyimages.com/detail/photo/asian-male-patient-getting-vaccinated-against-royalty-free-image/1284041821?phrase=vaccine%20asian&adppopup=true
https://www.gettyimages.com/detail/photo/polio-vaccine-in-india-royalty-free-image/958503164
https://commons.wikimedia.org/wiki/File:Polio_vaccine_in_the_DRC_(8330379372).jpg
https://www.gettyimages.com/detail/photo/vaccination-little-baby-in-doctors-clinic-nurse-royalty-free-image/494765745?phrase=polio%20vaccine&adppopup=true