A new gene therapy could be a game-changer for patients with severe anemia. The cost? $2.8 million.

A new gene therapy called Zynteglo could eliminate iron-rich blood transfusions used to treat patients with beta thalassemia that causes severe anemia but it costs around $2.8 million. NBC News’ Anne Thompson shares more details about the gene therapy’s price and why the experts say it’s only a sign of things to come.