Surging COVID-19 cases globally will necessitate a shift to more testing with cheap, less-accurate antigen tests because more-accurate molecular, or PCR, tests are in short supply, the Swiss drugmaker ...

Over a million Slovaks took a coronavirus swab on Saturday as the country launched a huge logistical operation to test most of its population over the weekend to reverse a rise in the pandemic.

A 20-second Covid test developed in Israel delivers results that are almost as good as the gold-standard PCR test – but at a fraction of the cost. Like any over-the-counter antigen test, it uses a ...

PCR swab tests that look for viral RNA have become the gold standard for identifying infection with the SARS-CoV-2 virus, but their results aren't 100% accurate. Researchers report that testing for ...

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...

If you’re wondering if your fever, chills and body aches are a classic case of the flu or the dreaded COVID-19, your best option is to get tested. New variants are constantly circulating, as new ...

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Prefer an adorable dog licking your face over an invasive swab up the nose? That's a research-driven option now in testing for the coronavirus. Trained dogs have shown signs of being more effective at ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...