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Reference: S952-1.0 mg
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The three clades of lineage B.1.617 are B.1.617.1, B.1.617.2, and B.1.617.3, shown in chronological order of detection. This delta plus variant of SARS-CoV-2 (also known as B.1.617.2.1 or AY.1) emerged in India and is...