A gene therapy for hemophilia boosts levels of a crucial clotting protein
It’s not yet clear how long the effects of the one-time treatment for the blood disorder last
A young man with hemophilia gives himself a treatment for the blood disorder on Galdhøpiggen Mountain in Norway. People with the disease need regular infusions of a crucial clotting protein, as their bodies don’t make enough.
Philartphace/iStock Unreleased/Getty Images