Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...
If you're testing for COVID-19, you'll want to know what a positive test looks like—and what it means if you get a faint line. For those who test positive, the time it takes for the line to appear on ...
Five years ago, COVID was all we could think about. Today, we'd rather forget about lockdowns, testing lines and social distancing. But the virus that sparked the pandemic, SARS-CoV-2, is still ...
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