The Natural Philosopher  writes:
> And yet you didnt know that the common cold is a coronavirus

Sort of. There are a couple of hundred different viruses that cause the
‘common cold’; a handful of them are indeed coronaviruses.

For my money HCoV-OC43 is the most interesting of them. It’s a candidate
(although not the only one) for the 1889-1890 pandemic, based on the
inferred time of its initial transmission into humans and the pandemic’s
similarity to COVID-19 symptoms (primarily hit the old, respiratory
symptoms, etc). It also has a possible (although currently quite
unclear) connection to MS.

--
https://www.greenend.org.uk/rjk/

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