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@bahamat ("Brian Bennett") retweeted:
@MoritzGerstung ("Moritz Gerstung") replied to a tweet by @MoritzGerstung:
Variants with long branches have repeatedly emerged in Southern Africa. They include B.1.351 (Beta), C.1.2, B.1.1.528 and now B.1.1.529.
The regional clustering and characteristics of variants suggests that there is a large reservoir of chronic infection.
