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We don’t know how close a coronavirus vaccine is, but where does the word come from?

The quest for a vaccine against SARS-CoV-2 is likely to extend beyond this year. The search for the origins of the word “vaccine” takes us back to the end of the 18th century, when the highly infectious and devastating disease of the time was smallpox, caused by the variola virus. “Variola” refers both to the lesions and the disease itself – from the post-classical Latin “pustule, pox”, deriving from varus (“pimple”). Smallpox was a common infection for centuries – noted in 3rd century BC…

Read the original article at South China Morning Post

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