• The surgery reproduces a natural genetic variation shared by more than 100 million people of primarily European origin that confers strong resistance to initial HIV-1 infection and disease progression. (rickilewis.com)
  • Their mother Grace started her pregnancy by regular IVF with one difference: right after sending her husband's sperm into her eggs, an embryologist also sent in CRISPR/Cas9 protein and instructions to perform a gene surgery intended to protect the girls from future HIV infection. (rickilewis.com)