Additional impact of IPV on seropositivity in Borno and Yobe States, North-Eastern Nigeria, 2013.

IPV in routine immunisation (RI) in 6–9 month olds and IPV in supplementary immunisation activities (SIAs) in 36–47 month olds. Analysis restricted to children receiving at least 3 OPV doses. SIA = supplementary immunization activity; RI = routine immunization; OPV = oral poliovirus vaccine; IPV = inactivated poliovirus vaccine; n = number of children; N = total number of children.

本数据集涵盖6~9月龄儿童常规免疫（routine immunisation, RI）中使用的灭活脊髓灰质炎疫苗（inactivated poliovirus vaccine, IPV），以及36~47月龄儿童补充免疫活动（supplementary immunisation activities, SIAs）中使用的IPV。本分析仅限定于至少完成3剂口服脊髓灰质炎疫苗（oral poliovirus vaccine, OPV）接种的儿童。补充说明：SIA即补充免疫活动；RI即常规免疫；OPV即口服脊髓灰质炎疫苗；IPV即灭活脊髓灰质炎疫苗；n代表儿童人数，N代表儿童总人数。