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One home swab now tells a household which of four winter respiratory viruses is present. But it can miss real infections that a lab PCR would catch ...

Peek in medicine cabinets across the U.S. and you’ll find stacks of leftover COVID-19 tests. When symptoms arise, so do questions: When should I test? How accurate is it really? And what should I do ...

Update: This program has ended and free tests are not current available from the government website. As cases of a new COVID-19 variant tick upward across the U.S., the federal government is again ...

If you show any of these signs, doctors say to get tested ASAP.

SEOUL — As COVID-19 infections begin to climb in South Korea, pandemic-era shopping habits are making a comeback, with people once again reaching for masks and self-test kits. All three major ...

Swipe. Scan. Spit. Since returning to campus, COVID-19 testing has become a regular part of Bruins’ lives. But how exactly ...