How worried should we be about the new COVID AY.4.2 lineage of the coronavirus?
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28 October 2021How worried should we be about the new COVID AY.4.2 lineage of the coronavirus?
No sooner than you thought all the talk of new COVID variants was over, there’s news of yet another one: AY.4.2. But what is it, where did it come from, and should we be concerned?
