The era of COVID-19 has been marked by shortages of medical equipment–hand sanitizer, test kits, gloves and, most of all, protective masks for healthcare workers and first responders. On May 13th, the Associated Press (AP) published a disheartening investigative piece–one in a series about the challenges of a worldwide medical supply chain–that shows just how difficult it is to establish that important medical supplies are safe and effective over the whole course of the purchasing process.