Comparability of antibody response to a booster dose of 7-valent pneumococcal conjugate vaccine in infants primed with either 2 or 3 doses

被引:15
作者
Rodenburg, Gerwin D. [1 ]
van Gils, Elske J. M. [1 ,2 ]
Veenhoven, Reinier H. [2 ]
Jones, Nienke [3 ]
Tcherniaeva, Irina [3 ]
Hak, Eelko [1 ,4 ,5 ]
van Alphen, Loek [6 ]
Berbers, Guy A. M. [3 ]
Sanders, Elisabeth A. M. [1 ]
机构
[1] Univ Med Ctr Utrecht, Dept Pediat Immunol & Infect Dis, NL-3584 EA Utrecht, Netherlands
[2] Spaarne Hosp, Dept Pediat, Hoofddorp, Netherlands
[3] Natl Inst Publ Hlth & Environm, NL-3720 BA Bilthoven, Netherlands
[4] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, NL-3584 EA Utrecht, Netherlands
[5] Univ Groningen, Univ Med Ctr Groningen, Dept Epidemiol, Groningen, Netherlands
[6] Netherlands Vaccine Inst, Bilthoven, Netherlands
关键词
Pneumococcal conjugate vaccine; Immunogenicity; Reduced-dose schedules; STREPTOCOCCUS-PNEUMONIAE; NASOPHARYNGEAL CARRIAGE; LONGITUDINAL HOUSEHOLD; OTITIS-MEDIA; IMMUNOGENICITY; CHILDREN; DISEASE; SAFETY; IMMUNIZATION; PROTECTION;
D O I
10.1016/j.vaccine.2009.10.151
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
In this cohort study we compared IgG antibody levels between infants immunized with 7-valent CRM197-conjugated pneumococcal vaccine (PCV-7) at 2,4 and 11 months and at 2, 3, 4 and 11 months of age,as measured by double adsorption ELISA. Pre- and post-booster levels following the 2 + 1 - and 3 + 1-dose schedule were comparable for 5 out of 7 serotypes except for serotypes 6B and 19F. The proportion of children reaching post-booster antibody thresholds were comparable except for 6B (>= 1.0 mu g/ml and >= 5.0 mu g/ml) and 19F (>= 5.0 mu g/ml). Surveillance studies are warranted for vaccine impact on 6B and 19F disease cases after reduced-dose PCV-7 schedules. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1391 / 1396
页数:6
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