Mu variant of covid-19 (B.1.621)
2 September 2021
The coronavirus variant B.1.621, or 'mu', was first identified in Colombia in January 2021
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Premium
2 September 2021
The coronavirus variant B.1.621, or 'mu', was first identified in Colombia in January 2021
25 May 2021
True photographic memory is yet to be proved but some people have a very rare condition which allows them to recall past events in detail