Many patients are eyeing their doctors and dentists with growing suspicion these days. The anxiety stems from reports of medical professionals' dying of AIDS and, most alarmingly, of a woman who claims to have been infected with the virus by her dentist during a tooth extraction. Amid the swelling concern and hyped press, the Centers for Disease Control is considering a controversial shift in policy that for the first time would recommend restrictions on health-care workers infected with the AIDS virus.
No one knows how many medical professionals harbor the blood-borne pathogen. But of the 153,000 reported cases of AIDS, about...