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Jean-Laurent Casanova

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Is the key to COVID in our genes?

Scientists from around the world are on a quest to understand why SARS-CoV-2 makes some people sicker than others. Their approach is changing how we think about COVID or any infectious disease.

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An intense new chapter

In early 2020, researchers everywhere united, scrambling to address a singular, urgent problem: a virus that was devastating the world. How they work and collaborate might never again be the same—it might be better.