Study sheds light on origins of Omicron virus https://ift.tt/W63z9cb

The biggest leap seen in the evolution of SARS-CoV-2 to date was observed by researchers a year ago when a variant was discovered that differed from the genome of the original virus by more than 50 mutations. First detected in a patient in South Africa in mid-November 2021, the variant later named Omicron BA.1 spread to 87 countries around the world within just a few weeks. By the end of December, it had replaced the previously dominant Delta variant worldwide.

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