Russian biologist Denis Rebrikov has told New Scientist that he still plans to use CRISPR genome editing to prevent children inheriting deafness, despite a major international report out today saying it isn’t yet safe enough to try in people.

“We are still planning to correct the inherited hearing loss mutation in [the gene] GJB2 , so that a hearing baby is born to a deaf couple,” says Rebrikov, who is at Pirogov Medical University in Moscow.

Three children whose genomes were altered …