Thu Feb 6th, 2020
Sun Dec 13th, 2020
Fri Dec 25th, 2020
"Mutated coronavirus variant from South Africa found in UK"; "Another new COVID strain found in Nigeria, says Africa CDC"
August 31, 2021
"South African scientists have detected a new coronavirus variant, C.1.2, with multiple mutations"
Wed Sep 1st, 2021
"C.1.2 was first detected in May [2020], the alert said, but Delta is still the dominant variant spreading in South Africa and the world."

reference
WHO | Tracking SARS-CoV-2 variants:Currently designated Variants of Concern (VOCs), Currently designated Variants of Interest (VOIs), Currently designated Variants Under Monitoring, Formerly monitored variants

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