https://padlet.com/yzhu2020/168gaqa7mmu5 Polio Vaccine en-us 2017-11-29 13:44:32 UTC 2017-11-30 13:43:14 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Send.png yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674651 The sale was government-controlled so the sales price is fixed at a rate mostly affordable by middle class and up.]]> 2017-11-30 00:46:35 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674651 yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674665 The price of the polio vaccine is lower than the cost of the vaccine because polio was a big struggle the government needed to fix no matter of which class.]]> 2017-11-30 00:46:41 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674665 yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674676 Jonas Salk, the creator of the polio vaccine, made a lot of money off of the vaccine.]]> 2017-11-30 00:46:45 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211674676 yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828812 Was government actually involved in the sale?]]> 2017-11-30 13:38:13 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828812 yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828846 How did different races, other than white, get the vaccine?]]> 2017-11-30 13:38:18 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828846 yzhu2020 https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828863 Did the government make profit out of this?]]> 2017-11-30 13:38:22 UTC https://padlet.com/yzhu2020/168gaqa7mmu5/wish/211828863