I'm Dr. John Whyte, the chief medical officer at WebMD, and you're watching Coronavirus in Context ... I mentioned that the rapid antigen test, you have to have sufficient viral load.

Does a strong, dark line on a COVID-19 rapid test mean you're more ... after you've added your sample to the test, so be sure to check the instructions to know when the control should be visible.

Do rapid antigen tests still detect new coronavirus ... Only read your results within the time window that the COVID-19 test instructions give you. And, depending on your results and your exposure ...

When we tested COVID-19 and flu tests, the iHealth COVID-19 Antigen Rapid Test received high marks for its ease of use, clear instructions, app capabilities, and reliable results. We found the ...

Yuka Manabe and her team at the Center for Innovative Diagnostics for Infectious Diseases aim to improve global health with ...

At the time I wrote the first article, I could find no indication of an immunologic test for COVID-19 (more specifically ... with the innate immune system, a rapid-acting set of first responder ...

Sensitivity is a measure of how likely a test ... of the coronavirus – and that individuals should continue to use them in accordance with the instructions. For instance, some rapid tests ...

Encouraged by the results of an 11-district pilot program, the state of California is now expanding access to cover any school district’s or charter school’s cost of rapid diagnostic Covid testing ...

A healthcare provider may test for flu, COVID and RSV depending on your symptoms ... Some tests go further back in the nose, while the rapid test only goes right inside it. There are several ...