American Society for Microbiology, mSystems, 4(7), 2022
DOI: 10.1128/msystems.00109-22
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Because SARS-CoV-2, the virus that causes COVID-19, persists on surfaces, testing swabs taken from surfaces is useful as a monitoring tool. This approach is especially valuable in school settings, where there are cost and privacy concerns that are eliminated by taking a single sample from a classroom.