Three people were gene-edited in an effort to cure their HIV. The result is unknown.
The gene-editing technology CRISPR has been used to change the genes of human babies, to modify animals, and to treat people with sickle-cell disease. Now scientists are attempting a new trick: using CRISPR to permanently cure people of HIV. In a remarkable experiment, a biotechnology company called Excision BioTherapeutics says it added the gene-editing tool…