A study found that the Abbott ID Now machine used for testing was less accurate when it processed short, dry swabs
President Donald Trump inspects an Abbott Laboratories rapid testing kit during a daily coronavirus briefing at the White House in Washington, March 30, 2020. The rapid coronavirus test used by the White House to screen its staff could miss infections up to 48 percent of the time, according to a study by researchers at NYU Langone Health. (Al Drago/The New York Times)
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