poliovirus vaccine

Infants were randomly assigned at birth to receive either a fractional dose or a full dose of inactivated poliovirus vaccine at2,4, and6 months.

婴儿在出生时随机指定，分别在2、4、6个月接受灭活脊髓灰质炎疫苗分次剂量和全剂量接种。

In contrast, inactivated poliovirus vaccine ( IPV) can overcome above mentioned shortcomings.

但是仍存在OPV引起的疫苗相关麻痹病例（VAPP）和疫苗衍生株（VDPV），脊髓灰质炎灭活疫苗（IPV）基本可避免OPV上述缺点。

Objective To assess the factors in the detection of infectious titers of oral poliovirus vaccine.

目的探索影响口服脊髓灰质炎减毒活疫苗（OPV）感染性滴度检测的主要因素。