When the Science Is Messy: How SciCheck Handles Scientific Disputes

What does a fact-checking organization do when the facts aren’t clear? And what happens when reputable scientists disagree about a public health policy?

Throughout the COVID-19 pandemic, there have been numerous examples of when scientific opinion has been divided, at least to some extent, typically because of a lack of robust data. That includes the utility of face masks, particularly before it became clear that the coronavirus could be spread from individuals without symptoms, and the need for healthy people to get booster vaccines.

The latest example occurred last month, when the Food and Drug Administration authorized a...