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Lack of association between the detection of a pathogenic virus in self-collected nasal swabs (x-axis) and (A) the time (in days) elapsed between the onset of first respiratory symptoms and self-swabbing (y-axis) (Mann–Whitney U-test, p = 0.82) and (B) the time (in days) elapsed between self-swabbing and arrival of the swab at the study center (y-axis) (Mann–Whitney U-test, p = 0.64).
