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. 2021 Jul 14;110:114–122. doi: 10.1016/j.ijid.2021.07.014

Fig. 4.

Fig 4

Visualization of the association between presence of antibodies of any class and cycle threshold (Ct) values in all patients 60 years of age or older (shown for each assay and target gene separately: Assay 1: panels A, C, and E; Assay 2: panels B, D, and F)