Seventh Patient Cured of HIV: Why Scientists are Excited
Mutations in the gene that encodes a receptor called CCR5 can stop HIV (blue) entering immune cells.Credit: NIAID/National Institutes of Health/SPL A 60-year-old man in Germany has become at least the seventh person with HIV to be declared free of the virus after receiving a stem-cell transplant. Although he has been virus-free for almost six...