Rapid Diagnostic Testing for COVID-19 Since the start of the pandemic, clinical laboratories have performed 3 billion molecular diagnostic tests for COVID-19 globally. The United States has performed 600 million of these tests, which is more than any other country. Especially with the wave of highly transmissible Omicron cases, the need for rapid COVID-19 testing has gone up. In response to the drastic increase of Omicron cases, the Biden Administration announced a plan to purchase 1 billion at-home rapid COVID-19 tests to distribute to Americans for free. 500 million of these tests were available for order on January 19th, 2022. But how accurate are the rapid tests? How do they work? When is the best time to get tested? A study published in the New England Journal of Medicine on January 20th, 2022, reviews the implications of getting rapid tested and presents strategies for testing using real-world evidence. What are Rapid Diagnostic Tests? Rapid Diagnostic Tests, or RDTs,
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