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 man administering an infusion to treat hemophilia while sitting on a rock in a snowy backdrop](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/031622_ac_hemophilia_feat.jpg?fit=1030%2C580&ssl=1)
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.
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