Is It Still Used Today? - Deepstash
Is It Still Used Today?

Is It Still Used Today?

Once an effective polio vaccine was developed in the 1950s, the incidents of polio infection fell dramatically and only a very few machines were needed in hospitals. But patients dependent on them to breathe the old iron lungs were gradually replaced with modern ventilators.

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syedprincy

Dental Student🦷 An aspiring Doctor striving towards the path of righteousness.⚕

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