The U.S. Preventive Services Task Force (USPSTF), an independent panel of medical prevention experts, granted PrEP for HIV infection an A grade on Tuesday, recommending that healthcare providers offer or provide this service to their patients who have an increased risk of contracting the virus.
The USPSTF maintains its own five-letter grading system for medical services based on the level of certainty that it has regarding the net benefit gained. An A grade indicates that the or...