If the SARS-CoV-2 virus has achieved anything useful in the world of in vitro diagnostics, it’s that the associated pandemic has shone a bright and unsparing light on the respective merits of diagnostic and surveillance testing. Harvard University’s Michael Mina, an assistant professor of epidemiology, was one of several academic researchers who took up the gauntlet yet again in opposition to what they characterized as a gross misunderstanding of the respective roles of these types of tests, a misunderstanding they said must be addressed if the pandemic is to be corralled.