Follow the science. But which science, whose science, today’s science or tomorrow’s? The SARS-COV-2 pandemic turned virologists and epidemiologists into unwilling oracles, pressed by politicians, press, and public alike to provide stable guidance in unstable times. How did the virus spread, did masks work, were children at risk, was it safe to hug, did taking ibuprofen make symptoms better or worse, how many people would die, when would it all end?