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. 2017 Aug 3;216(10):1227–1234. doi: 10.1093/infdis/jix385

Figure 3.

Figure 3.

Adults have similar blockade antibody (Ab) titers to a time-ordered panel of GII.17 strains. Serum collected for donation from 16 adults (colored markers) living in the United States was evaluated for blockade Ab titer to GII.4.2012 and time-ordered GII.17 virus-like particles from clusters I (1978), II (2005), and IIIb (2015). Bars denote geometric mean titers, and whiskers denote 95% confidence intervals. EC50, half-maximum effective concentration. Dashed line equals the limit of detection.