In early 2020, when coronavirus engulfed the globe, we dared not hope that vaccines would be produced and approved by the end of the year. The fastest any vaccine had previously been developed was four years, for mumps in the 1960s. But many people are unsure about the safety of this, and other vaccines, despite overwhelming clinical evidence of the millions of lives they save.

Join Marianna Spring, Zania Stamataki and PhilosophyTube to discuss how vaccines work, why people are sceptical despite the evidence, and how disinformation about vaccines spreads online.

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Event image by U.S. Secretary of Defense via Flickr