11/29/2023 0 Comments Rise of the reds 1.87 beta![]() ![]() ![]() Until then, there was little evidence that any mutations to the RNA genome of SARS-CoV-2 substantially increased viral fitness 3. The December 2020 announcement by Public Health England 1 that the variant B.1.1.7 exhibited a large number of mutations and a significant increase in transmission (50–100% 2) rattled the world and served as a wake-up call on the importance of VOCs.
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