Officials often defend this approach by saying they merely “follow the science,” but that’s not quite accurate. When there is a conflict between scientific evidence and bureaucratic protocols, science often takes a back seat. Consider:
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At the start of the pandemic, health officials around the country were desperate to conduct Covid-19 tests, but the C.D.C. sometimes kept those officials from developing their own tests — even as the C.D.C.’s own initial test was a failure.
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Around the same time, federal officials discouraged the public from wearing masks, saying there was not enough evidence to support them — despite masks’ longtime effectiveness in Asia and inside hospitals.
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For much of this year, the F.D.A. refused to grant full authorization to any Covid vaccine — even as its top leaders were saying the shots were safe and effective and urging Americans to get vaccinated.
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The F.D.A. has been slow to approve rapid Covid tests, which helps explain why Britain, France and Germany are awash in the tests — but your local drugstore may not have any.
The repeated slowness of U.S. officials stems from a worthy goal. They want to consider the scientific evidence carefully before making decisions. They want to avoid confusing the public or, even worse, promoting less than optimal medical treatments.
Yet in their insistence on following procedures that were not written with a global pandemic in mind, officials have often ended up doing precisely what they sought to avoid. They have perplexed the public and encouraged medically dubious behavior.
During a public-health crisis, officials are most effective when they are “first, right and credible,” as the sociologist and Times Opinion columnist Zeynep Tufekci has written. They are least effective when they offer “mixed messaging, delays and confusion.”
The J. & J. question
Last month, this newsletter published a guide to whether J. & J. recipients should follow the mix-and-match approach of getting a booster shot with the Pfizer or Moderna vaccine. We concluded that the available scientific evidence argued for the mix-and-match approach, but that there was still uncertainty. We wrote that we understood why many people would not want to do so until the government encouraged it.
This week, the data in favor of the mix-and-match approach became even stronger.
The National Institutes of Health, which is part of the federal government, released a study comparing the antibody levels in J. & J. recipients who had received a J. & J. booster with those who had received an mRNA booster. With both of the mRNA shots — Moderna’s and Pfizer’s — the antibody levels were higher. The study did not involve enough people or a long enough time frame to be definitive, but many experts believe it’s significant.