BA.4.6: Why is this Omicron sub-variant being closely watched by scientists?
© ShutterstockIt is in the sights of scientists: the variant BA.4.6. It is a sub-variant of the BA.4 variant, ie ...
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The sub-variant Delta (AY 4.2) was detected “very weakly” in France
© shutterstockThe SARS-CoV-2 coronavirus is clearly not finished evolving. While the Delta variant is now the majority on the national ...
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