• Less sensitive than PCR assays. Antigen tests are not as sensitive as PCR tests, and false negatives can cause real problems. A negative antigen test should always be considered presumptive, but still gives patients and caregivers a false sense of security. These tests may not

As of August 27, 2020, the U.S. Food and Drug Administration (FDA) has issued 3 Emergency Use Authorizations (EUAs) for COVID-19 tests to detect the presence of SARS-CoV-2 antigens in patient samples. The two main assays currently used in the United States for SARS-CoV-2 include molecular (PCR) assa

Antigen test boson: Chinese CDC experts explain in detail that the transmission of Omiqron BA.5 subbranches has increased significantly Currently, the New Coronavirus epidemic is still spreading globally.

The problem of false negative detected by COVID-19 throat swab is plaguing the medical personnel who fight in the front line of epidemic prevention and control. How to solve this problem?What is the key to the accuracy of pharyngeal swab nucleic acid test specimen collection?