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. Author manuscript; available in PMC: 2016 Jun 9.
Published in final edited form as: Vaccine. 2015 May 2;33(25):2881–2886. doi: 10.1016/j.vaccine.2015.04.080

Table 1.

Concentration of HBsAg in wafers, as determined by ELISA

Sample Mean [HBsAg] (μg/g wafer) Std. dev.
Wafers used for boosts 1 and 2 181 26
Wafers used for boosts 3 and 4 567 65
Control wafers None detected*
*

Limit of detection is 15μg/g