XE and why we may want Omicron to mutate

XE— a new sister lineage of Omicron— has peppered the headlines this week. And while it’s important for scientists to track every change of the virus, I don’t think the public needs to be anxiety-ridden every time this virus changes. This is what viruses do to survive, and we should anticipate this. In fact, Omicron mutating may be

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