Amazingly, her immortal cell line was instrumental in polio eradication! https://en.wikipedia.org/wiki/HeLa#Polio_eradication https://en.wikipedia.org/wiki/HeLa

Amazingly, her immortal cell line was instrumental in polio eradication! https://en.wikipedia.org/wiki/HeLa#Polio_eradication https://en.wikipedia.org/wiki/HeLa#Polio_eradication