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There are 3 types of coronavirus tests – here’s how they work

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globalnews.ca

coronavirus tests in the U.S. Two diagnose whether you have an active infection, and a third indicates if you previously had the virus.

Scientists may have found first human link between antibodies, coronavirus protection Here’s how they work:Most tests look for bits of the virus’ genetic material, and require a nasal swab that is taken by a health professional and then sent to a lab.

This is considered the most accurate way to diagnose an infection, but it’s not perfect: The swab has to get a good enough sample so any virus can be detected.These tests usually take hours to process at the lab so you likely won’t get results back for at least a day, though a handful of rapid tests take about 15 minutes on site.

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