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. 2021 May 18;11:10519. doi: 10.1038/s41598-021-90026-8

Figure 2.

Figure 2

Degrees of coughs or sneezes induced by anterior nasal and nasopharyngeal collection. The degrees of coughing or sneezing following swab insertion was compared between anterior nasal collection and nasopharyngeal collection in the same participant (n = 784). The degrees were rated on a four-point scale. The McNemar–Bowker test was used for the comparison.