Jean-Laurent Casanova


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.


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.