A new study has produced an antibody that's able to kill off 99 percent of HIV strains. It is said to be more effective than any naturally occurring antibody that's been discovered.
South Africa on Wednesday begins a major clinical trial of an experimental vaccine against the AIDS virus, which scientists hope could be the "final nail in the coffin" for the disease.
Researchers from Cambridge, Oxford, and three other London universities may have found a cure for HIV, and a 44-year-old British man may be cured.