The New England Journal of Medicine

Persistent False Positive Covid-19 Rapid Antigen Tests

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...
Business Wire

Siemens Healthineers Announces FDA Emergency Use Authorization For CLINITEST® Rapid COVID-19 Antigen Self-Test

The CLINITEST Rapid COVID-19 Antigen Self-Test has received FDA EUA for unsupervised self-testing for the SARS-CoV-2 virus by individuals age 14 and older (or adult-collected samples from individuals ...
KQED

Are At-Home Rapid COVID Tests Still Reliable? What You Need to Know

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 ...
The New York Times

Several common rapid antigen tests work well for Omicron, according to a new study.

The new findings are from an ongoing U.S. study that began in October and was designed to assess the performance of rapid antigen tests in asymptomatic people. By Emily Anthes Several rapid antigen ...
The New England Journal of Medicine

False Positive Covid-19 Rapid Antigen Tests

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 ...