Wake-up call from Hong Kong

The Second International Summit on Human Genome Editing, held in Hong Kong last month, was rocked by the revelation from a researcher from Shenzhen that twins were born whose healthy embryonic genomes had been edited to confer resistance to HIV. Despite widespread condemnation by the summit organizing committee, world scientific academies, and prominent scientific leaders that such research was “deeply disturbing” and “irresponsible,” and the...