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May 24, 2024 · New research shows that, in a head-to-head comparison of five tests used to detect COVID-19 antibodies (known as ‘immunoassays’), an assay manufactured by Siemens and one developed by an academic partnership led by the University of Oxford had the most accurate results.
May 14, 2024 · Antigen tests are accurate. But they're less accurate than PCR tests. If you have symptoms and an antigen test is negative for COVID-19, take another antigen test after 48 hours to get the best result. If you don't have symptoms and get a negative result, test again after 48 hours.
May 8, 2024 · A spokesperson for Abbott—the company that makes one of the most widely available at-home rapid COVID tests (BinaxNOW COVID-19 Antigen Self Test)—told Verywell that the most important thing to know is that if that second line shows up on your test, even if it's faint, it's positive.
May 14, 2024 · Studies included in the review were those that were designed to capture data on the diagnostic accuracy of anti-SARS-CoV-2 immunoglobulin (Ig) M, IgG, and/or total antibody testing vs that of nucleic acid amplification testing (NAAT; reference standard).
May 8, 2024 · The team designed new antigens and used a large panel of SARS-CoV-2 patients and control human and animal samples. From day nine after the onset of symptoms and thereafter, the UNC assay allowed the researchers to accurately identify RBD-based antibodies to SARS-CoV-2.
3 days ago · Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom. COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection.
4 days ago · Increase in antibody titer and change over time associated with severe acute respiratory syndrome coronavirus 2 infection after mRNA vaccination: Consideration of the significance of additional vaccination - Kusunoki - 2024 - Clinical Case Reports - Wiley Online Library.
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