After covid-19 forced Olivia Goulding’s Indiana middle school to switch back to remote learning late last year, the math teacher lost contact with many of her students. So she and some colleagues came up with a plan: visiting them under…
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The power of mRNA, the threat of mutations and the difficulty of the last mile
When COVID-19 was declared a pandemic on March 11, 2020, even some of the most informed people knew little about coronaviruses—and far less about SARS-CoV-2, the new coronavirus that was upending the world as we knew it. But a prolonged…
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