LIU Min-yong, HUANG Zhuo-ying, LU Jing, YANG Jian-ping, YANG Yu-ying. Polio antibody levels in infants during 2015-2016 in Shanghai before and after polio vaccination strategy adjustment[J]. Shanghai Journal of Preventive Medicine, 2020, 32(8): 627-630. DOI: 10.19428/j.cnki.sjpm.2020.18789
Citation: LIU Min-yong, HUANG Zhuo-ying, LU Jing, YANG Jian-ping, YANG Yu-ying. Polio antibody levels in infants during 2015-2016 in Shanghai before and after polio vaccination strategy adjustment[J]. Shanghai Journal of Preventive Medicine, 2020, 32(8): 627-630. DOI: 10.19428/j.cnki.sjpm.2020.18789
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Polio antibody levels in infants during 2015-2016 in Shanghai before and after polio vaccination strategy adjustment

    Abstract
  • ObjectiveTo investigate the neutralized antibody level of poliomyelitis among healthy children before and after implementation of the new immunization strategy in Shanghai.
    MethodsThe poliomyelitis levels of healthy children were detected by neutralization test of the micro cells.
    ResultsThe neutralizing antibody positive rates were 100% for polioⅠand polioⅢ before and after implementation of the new immunization strategy.GMTs (geometric mean titers) for polioⅠwere 1:1 047.46 before it, and 1:254.70 after it; those for polio Ⅲ were 1:513.52 before it and 1:185.49 after it.
    ConclusionThe neutralized antibody levels of the poliomyelitis among healthy infants maintain a high level before and after implementing the new immunization strategy in Shanghai.
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