Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

A study led by Osaka University recently found that the sensitivity of rapid antigen tests (RATs) for the Omicron variant of COVID-19 when compared with polymerase chain reaction (PCR) tests was 0.63 ...

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

Speed or accuracy? As far as COVID-19 tests go, this was the choice you had to make. In the future, this dilemma could be a thing of the past. The Pathogen Analyzer combines the advantages of PCR ...

Among oil-rig workers, shipping crews, and other groups of people who work closely together, COVID-19 can spread like wildfire. Yet trying to prevent spread with long quarantines can be just as ...

Countries straining to contain a second wave of COVID-19 are turning to faster, cheaper but less accurate tests to avoid the delays and shortages that have plagued efforts to diagnose and trace those ...

The potential for IgM cross-reactivity with rheumatoid factor–positive serum samples was observed in blood tests used to detect IgM SARS-CoV-2 by means of gold immunochromatographic and enzyme-linked ...

As the COVID-19 pandemic enters its fourth year, a negative result on a little plastic at-home test feels a bit less comforting than it once did. Still, you dutifully swab your nostrils before dinner ...

European countries are looking at buying millions of COVID-19 rapid tests mostly from Roche and Abbott , an EU document shows, as global production of the tests is stretched by a surge in infections.

Since the start of the pandemic, the FDA has issued emergency use authorizations to a whopping 444 diagnostic tests and sample collection devices to detect the COVID-19 virus. In recent months, ...

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