In the early days of the pandemic, public health officials scrambled to get a read on the new viral outbreak. The CDC covered all its bases, recommending specimens be sent to them in three ways for ...

In a recent study posted to the medRxiv* server, researchers evaluated a rapid antigen test (RAT) that used saliva specimens to detect the presence of severe acute respiratory syndrome coronavirus 2 ...

New questions are emerging about how best to use COVID-19 tests as the country grapples with a surge of breakthrough cases in vaccinated individuals caused by the omicron variant. Some evidence ...

MISSOURI - The State Department of Elementary and Secondary Education (DESE) has made changes regarding antigen testing due to the limited supply of tests. This comes after the state says it received ...

Researchers report on the development of a low-cost, portable, non-invasive device that uses light and saliva to test COVID-19 patients in less than 30 minutes. The results have shown that the device ...

ST. PAUL — Minnesota health officials say they are committed to providing residents with a variety of COVID-19 testing options even as less reliable at-home tests become more common and have upended ...

At-home COVID-19 tests have become an easy way to self-diagnose. But current tests have drawbacks, such as the length of time it takes to get an answer, or how accurately the test can identify a ...

Our big sale has been extended: Support local journalism in Fort Collins and get two years of digital access to the Coloradoan for only $22 by clicking here. Those reading after Feb. 23 can get six ...

A new study adds to evidence that common rapid tests may fail to detect some Omicron cases in the first days of infection. By Emily Anthes and Christina Jewett A small, new real-world study suggests ...

In a recent study posted to the medRxiv* server, a team of researchers investigated how antigen concentration and viral load in different specimen types affected the performance of severe acute ...

Minnesota health officials say they are committed to providing residents with a variety of COVID-19 testing options even as less reliable at-home tests become more common and have upended the way the ...