Emerging Infectious Disease ISSN: 1080-6059

Enterovirus 71 Maternal Antibodies in Infants, Taiwan

Shu-Ting Luo, Pai-Shan Chiang, An-Shine Chao, Guan-Yuan Liou, Reyin Lin, Tzou-Yien Lin, and Min-Shi Lee

Author affiliations: National Health Research Institutes, Zhunan Miaoli, Taiwan (S.-T. Luo, P.-S. Chiang, G.-Y. Liou, M.-S. Lee); Chang Gung Memorial Hospital, Linkou, Taiwan (A.-S. Chao, R. Lin, T.-Y. Lin)

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Figure 2

Predicted seroprevalences of maternal enterovirus 71 (EV71) neutralizing antibodies (antibody titer >8) in infants <6 months of age, Taiwan. Predictions are based on assumptions that 1) the seroprevalence in neonates is 50%, 2) the geometric mean titer (SD after natural logarithm transformation) in the seropositive neonates is 22 (0.91), and 3) the half-life of maternal EV71 neutralizing antibodies in young infants is 42 days.

Figure 2. Predicted seroprevalences of maternal enterovirus 71 (EV71) neutralizing antibodies (antibody titer >8) in infants <6 months of age, Taiwan. Predictions are based on assumptions that 1) the seroprevalence in neonates is 50%, 2) the geometric mean titer (SD after natural logarithm transformation) in the seropositive neonates is 22 (0.91), and 3) the half-life of maternal EV71 neutralizing antibodies in young infants is 42 days.

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