At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

Once again, it's the time of year when respiratory illnesses — including COVID-19 — make their comeback. So, as we gear up for another winter virus season, take a moment to make sure you know how and ...

If you have symptoms but get a negative home test result, you may need to keep taking precautions and test again (and again). By Tara Parker-Pope What does a negative result on a home Covid-19 test ...