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A guide to COVID tests: When to test, what kind to use and what your results mean

COVID-19 rapid tests are distributed in Brooklyn in late December. Self-tests are in short supply in many parts of the country. (Bryan R. Smith/AFP via Getty Images)
COVID-19 rapid tests are distributed in Brooklyn in late December. Self-tests are in short supply in many parts of the country. (Bryan R. Smith/AFP via Getty Images)

This article was originally published on January 06, 2022.

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