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Viruses mutate all the time, so it’s no surprise that the coronavirus which emerged in China at the end of 2019 has undergone significant mutations as the virus replicates and spreads.
But a new strain that has emerged in South Africa is causing concern. Like a variant discovered in the U.K. in recent months, the one that in South Africa is proving to be far more transmissible.
Read the full story at CNBC | Health and Science.
