Our readers sent in smart questions about this thorny issue. By Jeneen Interlandi Ms. Interlandi is a member of the editorial board. The world of coronavirus testing is complicated and confusing.

Taking a test is the best way to assure yourself and others that you aren’t spreading the virus. Here’s what you need to know. By Tariro Mzezewa As the United States endures an alarming surge in ...

As the various subvariants of omicron continue to circulate in the U.S., rapid at-home tests remain an important tool for protecting yourself and others. Home tests are appealing because they allow ...

School districts are increasingly reopening schools for face-to-face instruction after a year of virtual learning. But they are under immense pressure to keep COVID-19 from spreading in their ...