Now, more recent evidence suggests that you can take your at-home tests to the next level by swabbing more sites than just your nose. Where you swab might matter just as much as when you swab. A lot ...

As COVID-19 variant EG.5, nicknamed “Eris,” continues to spread across the U.S., it’s important to be prepared ahead of a possible infection by stocking up on the best at-home COVID tests. So once ...

Infectious disease expert Dr. Mark Kortepeter explains the pros and cons of at-home Covid diagnostic tests and how to interpret the results. One of the major challenges with having everyone receive ...

Nasopharyngeal swabs produced by 3D printing can provide comparable results to traditional swabs for SARS-CoV-2 reverse transcription polymerase chain reaction (RT-PCR) testing, according to research ...

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Antigen tests can identify the presence of antigens within the body, which are substances that cause immune responses, such as the release of antibodies. The immune system, and antibodies specifically ...

Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The New York Times, Newsweek, NBC News, Architectural Digest and elsewhere. He is a crossword junkie and is ...