Qui tam litigation holds a dear place in the hearts of U.S. federal prosecutors and whistleblowers alike, but the volume of these cases ebbed as the COVID-19 pandemic swept across the nation. A report by Gibson, Dunn & Crutcher LLP makes clear, however, that despite the pandemic-induced drag, these cases are resuming their historical pace, and makers of drugs and devices are once again the most frequently targeted type of business.