It’s been a few weeks since the federal government began mailing out the free Covid-19 testing kits promised by the Biden administration, and it’s finally become easier to find rapid tests in stores. But even with Omicron’s surge on the decline, the pandemic isn’t over. Concerns remain about Omicron’s sister, and a new variant can always arrive. So what’s the most efficient way to use the government’s free tests? Whether you’re vaccinated, boosted, unvaccinated, or recovered, when should you test for Covid-19 and how should you interpret the findings?
Like so much of the advice and data during the pandemic, it’s complicated. When you should test and what the results mean—or don’t mean—depend on your individual circumstances. ”You can’t just have one rule that applies to everyone because there is variation around test results,” says Esther Babady, chief of…