It’s already been well established that early humans had Bunga-Bunga parties with their closest semi-human relatives. But scientists are just now discovering what came from those relations — a pathogen-killing immune response that persists to this day.
While this is by no means a quantum leap for HIV treatment in humans, any AIDS progress is great AIDS progress. Especially when the progress is in our furry monkey relatives, who are responding terrifically to a new AIDS vaccine.