French Researchers Report a Successful Trial of Gene Therapy

In what appears to be the first successful trial of gene therapy, French researchers reported in the April 28 issue of Science that they have bolstered the immune systems of two infants with severe combined immunodeficiency (SCID) by injecting them with cells containing a normal copy of the gene that the infants lack.

People with the rare disease, which forces them to live in sterile "bubbles," risk dying from infections as minor as cold sore viruses. They

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