Editorial
HIV Preexposure Prophylaxis: Walking Ahead on Tightropes
The National HIV Surveillance Report estimated that by the end of 2008, there were approximately 1.2 million people living with human immunodeficiency virus (HIV) in the United States. Despite the decline in mortality from HIV, the incidence rate has remained steady, at approximately 50,000 cases per year.1 These startling incidence…