As of May 2022, the U.S. is experiencing another uptick in the number of COVID-19 cases. High rates of infection in Europe and Asia, along with the continued emergence of new sub-variants, such as ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

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 ...

In a study involving nearly 1,000 patients seen at the Baltimore Convention Center Field Hospital (BCCFH) during a five-month period in 2022—researchers at Johns Hopkins Medicine, the University of ...

The United States is once again watching coronavirus cases and hospitalizations rise as summertime nears. Nearly half of Americans – 45 percent – are living in communities with medium or high ...

As the pandemic rages on, getting accurate Covid-19 test results remains a struggle. Rapid antigen tests, if taken too soon after the onset of symptoms, can sometimes present false readings. PCR ...

About 60% of healthcare workers participating in an optional rapid antigen testing program at UCLA tested positive at day five, and about 50% were positive at day seven after initially testing ...

Another is that serial testing – 2 tests taken 24 to 36 hours apart – is critical with rapid tests. This is because we observed that if a person had an infection that was detected by a PCR test for at ...