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Vaccine Roll-Out: How People Have Been Inoculated Through the Ages

Throughout history, humans have developed and rolled out vaccines against deadly diseases, from influenza to polio. As Europe enters yet another lockdown, people are hoping 2021 runs smoother.

COVID-19 has killed more than 1.6 million people worldwide, according to the World Health Organisation, but vaccines are offering hope. 

Check out Sputnik’s gallery to see how they have developed throughout history.

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