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The polio vaccine is much older and as far as I could find has never had a death attributed to it. COVID vaccines are newer, and their safety profile was not fully understood when they were rolled out.

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Therefore the COVID vaccines were also not mandatory.

Unless you wanted to keep your job in the medical field or education or had to do lots of travel.

If I remember correctly, it was a pandemic. So yes, everybody contributed, either by getting vaccinated or staying home, your choice.

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