With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing ...

Nothing puts a damper on your holiday plans like a positive COVID-19 test. But what if that line is super faint? Do you still have COVID-19 —or can you go ahead and attend your office party like you ...

As Covid cases rise, at-home tests are a critical tool to keep yourself and others safe. Here are answers to a few common questions about when and how to use them. By Dani Blum Since the public health ...

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

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 ...