This Gene Mutation Breaks the Immune System. Why Has It Survived?

In Greenland in January 2021, a child just under two years old was sick—very sick. And his doctors couldn’t figure out why. He was feverish, vomiting, having seizures. Meningitis was suspected to be the cause; a tuberculosis diagnosis was also being tossed around. The child was transferred to Copenhagen—to Rigshospitalet, the largest hospital in Denmark—for […]

Read More