The five-year outbreak from 1899 to 1904 of  smallpox led to the introduction of vaccine passports .To slow the spread of the highly infectious and often deadly virus, there was a nationwide push for smallpox vaccination. In cities and states with the worst outbreaks, vaccination was compulsory and official certificates of vaccination were required to go to work, attend public school, ride trains or even go to the theater. Do you think there is need to introduce the Covid-19 passports at it was in 1899 to 1904?

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