Dr. Anthony Fauci on Wednesday pushed back against the idea the U.S. should pursue herd immunity against COVID-19. After neuroradiologist Scott Atlas, a top medical adviser to President Trump with no background in epidemiology, reportedly suggested the Trump administration should embrace the controversial theory of herd immunity to fight the COVID-19 pandemic, health experts pointed out the drawbacks. Some research has suggested reaching herd immunity would require allowing millions of infections and thousands more deaths, though other data points to a lower threshold. Either way, "we're not there yet," Fauci said. "That's not a fundamental strategy that we're using. The fundamental strategy ... is to try to prevent as many infections as you possibly can" by identifying a case, isolating the person who has it, and contact tracing.

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