The U.S. Food and Drug Administration is investigating “numerous” medical device reports (MDRs) describing patient infections and other possible contamination issues possibly associated with reprocessed urological endoscopes. Dr. Larry Muscarella, an independent safety expert who advises hospitals, manufacturers and the public about medical device safety and infection prevention, talks about the letter to healthcare providers from the FDA. He also breaks down what it means, what surprised him about this latest course of action surrounding endoscopes and reprocessing, and what to watch for next.