Tom Dreisbach Tom Dreisbach is a correspondent on NPR's Investigations team focusing on breaking news stories.
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Tom Dreisbach

An NPR investigation has identified more than 30 medical practices in more than a dozen states promoting unproven claims that the drug thymosin alpha-1, which is administered via injection, can prevent or treat COVID-19. Photo illustration by Carol Smiljan/NurPhoto via Getty Images hide caption

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Photo illustration by Carol Smiljan/NurPhoto via Getty Images

Is It Legal To Call A Haircut A Business Expense?

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Moderna, based in Cambridge, Mass., has reached phase three trials for its coronavirus vaccine. At the same time, its executives have sold tens of millions of dollars worth of stock, which has led to intense criticism of the company. Maddie Meyer/Getty Images hide caption

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Maddie Meyer/Getty Images

'Bad Optics' Or Something More? Moderna Executives' Stock Sales Raise Concerns

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U.S. Postmaster General Louis DeJoy arrives at an Aug. 5 meeting at the office of House Speaker Nancy Pelosi. Alex Wong/Getty Images hide caption

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Alex Wong/Getty Images

Who Is Louis DeJoy? U.S. Postmaster General In Spotlight Ahead Of 2020 Election

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Jay Clayton, chairman of the Securities and Exchange Commission, testifies during a hearing on Capitol Hill in May 2019. At his 2017 confirmation hearing, Clayton pledged "zero room for bad actors in our capital markets," but enforcement of insider trading is at the lowest in decades. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

Under Trump, SEC Enforcement Of Insider Trading Dropped To Lowest Point In Decades

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Amazon has called safety a "top priority" for the company. But NPR has found more than 100 dietary supplements sold on Amazon that appear to be illegally marketed as antiviral treatments. David Becker/AFP via Getty Images hide caption

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David Becker/AFP via Getty Images

On Amazon, Dubious 'Antiviral' Supplements Proliferate Amid Pandemic

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Dr. Lauren Jenkins reads to her twin sons, Pierce and Ashton, while wearing her "hazmat" suit. Because lung cancer has compromised her husband's immune system, Jenkins moved out of her home and visited in the suit as a precaution. Courtesy of Lauren Jenkins hide caption

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Courtesy of Lauren Jenkins

She's A Frontline Doctor. Her Husband Has Lung Cancer. Now, A Simple Hug Is Dangerous

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Los Angeles city attorney Mike Feuer announced a lawsuit against Wellness Matrix Group, alleging multiple scams related to the coronavirus pandemic. The lawsuit was filed in LA Superior Court. Frazer Harrison/Getty Images hide caption

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Frazer Harrison/Getty Images

Los Angeles Authorities Sue A Company For Coronavirus-Related Fraud

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Los Angeles city attorney Mike Feuer has taken action against several companies selling supposed treatments or "at-home" test kits for the coronavirus. Mel Melcon/Los Angeles Times via Getty hide caption

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Mel Melcon/Los Angeles Times via Getty

Securities and Exchange Commission Co-Directors of Enforcement Stephanie Avakian and Steven Peikin speak during a news conference in 2018. Avakian and Peikin say their office is aggressively pursuing enforcement related to the coronavirus pandemic. Zach Gibson/Getty Images hide caption

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Zach Gibson/Getty Images

The U.S. Securities and Exchange Commission announced this week that it was temporarily suspending the trading of shares of Wellness Matrix Group. Brendan Hoffman/Bloomberg via Getty Images hide caption

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Brendan Hoffman/Bloomberg via Getty Images

Los Angeles City Attorney Mike Feuer, seen here in 2017, says his office has reached a settlement with a company that had been selling at-home tests for the coronavirus. The Food and Drug Administration says it has not authorized any at-home tests. Christopher Weber/AP hide caption

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Christopher Weber/AP

Wellness Matrix Group has claimed to sell an at-home coronavirus test that is "FDA Approved." But the U.S. Food and Drug Administration says, "the FDA has not authorized any test that is available to purchase for testing yourself at home for COVID-19." Al Drago/CQ Roll Call via Getty Images hide caption

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Al Drago/CQ Roll Call via Getty Images

Exclusive: California Company Under Scrutiny For 'At-Home' Coronavirus Test Claims

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