Efforts to scale up testing for the covid-19 coronavirus has been slow in some countries, and some tests are more accurate than others, which could make it harder to slow the spread
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https://www.newscientist.com/article/2238477-how-does-coronavirus-testing-work-and-will-we-have-a-home-test-soon/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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