Oral and inactivated poliovirus (PV) vaccines have contributed toward the global eradication
of wild PV2 and PV3, as well as the elimination of PV1 in most countries. While the long-term …

Background Sabin inactivated and bivalent oral poliovirus vaccine (sIPV, bOPV) were
commonly used in China since 2016. We conducted an open-label, randomised, controlled …

Since the World Health Assembly (WHA) set the goal of polio eradication in 1988, the Global
Polio Eradication Initiative (GPEI) has reduced the global incidence of polio by more than …

Dear Editor, We have read with great interest a letter published in this journal entitled “The
emergence of mumps after the COVID-19 pandemic in Pakistan: Time to consider MMR …

To provide a basis for further optimization of the polio sequential immunization schedule,
this study evaluated the effectiveness of booster immunization with one dose of bivalent oral …

Background There has been no data on the immunogenicity and safety of the 4 th booster
dose of the sIPV immunization in 18–24 months old children in post-marketing studies of …

One dose of inactivated poliovirus vaccine (IPV) was introduced into the Chinese Expanded
Program on Immunization (EPI) in 2016. IPV made from Sabin strains (sIPV) was newly …

Objective To evaluate the safety of concomitantly administering inactivated poliomyelitis
vaccine produced from Sabin strains (sIPVs) with other vaccines. Methods A descriptive …

Background We assessed immunogenicity of three-dose and two-dose immunization
schedules with a Sabin-strain inactivated poliovirus vaccine (sIPV) produced by one …

Aims The bivalent oral poliovirus vaccine (bOPV; Sabin types 1 and 3) replaced the trivalent
OPV (Sabin types 1, 2 and 3) globally in April 2016. A routine schedule of 1 dose of …