The lamina propria CD4+ T cells and the mast cells in jejunum were also increased(P > 0.05 and P< 0.01, respectively) at 3 weeks after oralimmunization compared with control group.
首次免疫后第3周空肠中肥大细胞数量与对照组相比有极显著性增加（P<0.01）。
2
The average antibody titers(agglutination titer)of the Whole-cell vaccine immunization, injection immunization and microencapsulated vaccine oralimmunization were respectively 1:19,1:190,1:62;
The need for additional rounds of mass oral polio vaccine (OPV) immunization will be based on an ongoing evaluation of epidemiological and laboratory data.