Repetitive strains: SARS-CoV-2 variants

Published: July 2, 2021, 10:12 a.m.

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The coronavirus\\u2019s Delta variant accounts for ever more infections; we ask about mutational surprises yet to emerge, and what can be done about them. The ousting of Ethiopia\\u2019s army from the Tigray region might precipitate far wider conflict\\u2014within the country and far beyond its borders. And ahead of the Fourth of July, we find no good films about the holiday. 

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