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 ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

COVID-19 cases remained relatively steady week-over-week in late August, though data from states showed "very high" viral activity at the end of the month, according to the Centers for Disease Control ...

COVID-19 cases are on the rise again this summer. The Centers for Disease Control and Prevention estimates that infections are growing, or are likely growing, across 36 states, with a nationwide ...

Results are detected within just a few minutes, the agency said. The Food and Drug Administration has granted emergency use authorization for a COVID-19 test that uses breath samples -- the first of ...