You may need to test a number of times to confirm you have COVID. When you first get sick, you may go a number of days (as many as five) without enough virus to set off a positive RAT test.

The number of two- to four-year ... and underdeveloped immune systems. Testing is also important here, since "there is no way to know if it is RSV, COVID or the flu" based off of symptoms alone ...

Several over-the-counter kits that test for both flu and COVID at once have hit the market over the past year, and the Food and Drug Administration just approved another combo test in early October.

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 ...

South Burlington’s wastewater facility processes over 3 million gallons of sewage a day, but twice a week, they do something a little different.

Medicare Part B covers molecular, antigen, and antibody coronavirus testing from Medicare-approved labs. Medicare does not cover over-the-counter home test kits. Various tests can detect COVID-19 ...

By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This time, they’ll have an expanded ...

This one's pretty simple, but the best way to find out whether you have COVID-19 is by taking an at-home test, or a more accurate lab test at a doctor's office. This might be especially important ...