Taking His Own Medicine

Most animals have little to fear from the lethal AIDS virus. That is good for them but not for human beings, since other species are of little use to medical researchers seeking treatments and vaccines for the deadly disease. The limited value of research on baboons and chimpanzees, among other beasts, creates an urgency to move swiftly to tests on humans. Last week, after months of rumors within the scientific community, it was confirmed that this dramatic leap has been taken in vaccine research. In a letter in the British journal Nature, Dr. Daniel Zagury, an AIDS investigator at the Pierre...