Technique could increase sensitivity of nasal swab tests up to tenfold through simple software updates.

View as a Web Page NIST Innovation Could Improve Detection of COVID-19 Infections A multidisciplinary research team at the National Institute of Standards and Technology (NIST) has developed a way to increase the sensitivity of the primary test used to detect the SARS-CoV-2 virus, which causes COVID-19. Applying their findings to computerized test equipment could improve our ability to identify people who are infected but do not exhibit symptoms. The team's results, published in the scientific journal Analytical and Bioanalytical Chemistry, describe a mathematical technique for perceiving comparatively faint signals in diagnostic test data that indicate the presence of the virus. These signals can escape detection when the number of viral particles found in a patient's nasal swab test sample is low. The team's method helps a modest signal stand out more clearly. Read More

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