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. 2019 Jan 2;15(3):725–731. doi: 10.1080/21645515.2018.1537756

Figure 2.

Figure 2.

Study interventions and number of infants from whom sera was collected, by time point.

N, number of infants with tested serum samples. Note: The test tube and syringe symbols indicate time points of blood draw and vaccination with 4CMenB, respectively.