Following the announcements of three approved COVID-19 vaccines, when many of us were dancing for joy, anti-vaccination – or ‘anti-vax’ – proponents around the world were ramping up their efforts. Twitter posts quickly began circulating drawing comparisons between the new COVID-19 vaccines and thalidomide – the notorious medication that led to thousands of children being born with congenital disorders in the 1960s. Conveniently, the posts failed to mention that the tragedies wrought by thalidomide led to strict new regulations for clinical trials that have ultimately helped medicine to reach the excellent safety records experienced today. Science, by its very nature, is a field that recognises and develops from past mistakes.

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