SAN FRANCISCO -- The recent outbreak of the omicron variant has many people running for the store for an over-the-counter rapid test. But simply taking the test once isn't enough to tell you if you ...
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 ...
Four free home Covid-19 antigen tests are available to order at COVIDTests.gov, part of the seventh round of the federal government’s test-distribution program. And although this round of test orders ...
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