 In my opinion, we should call for a moratorium on gain-of-function research until we have a broader debate. Dr. Kerry Wolinetz, who was the National Institutes of Health Director for Science Policy under Dr. Fauci, disagreed. It's very easy to become focused on the risk of doing the research and lose sight of the risk of not doing the research. Dr. Redfield said biosecurity is currently our nation's biggest national security threat. Jessica Rosenthal, Fox News. What's left of Beryl is still causing deadly problems.