Ahmad M, Verma H, Kunwar A, et al. Poliomyelitis seroprevalence in high risk populations of India before the trivalent-bivalent oral poliovirus vaccine switch in 2016. Int J Infect Dis 2020 (published online Oct 29)
Anderson A, Fisker AB, Nielsen S, et al. National immunisation campaigns with oral polio vaccine may reduce all-cause mortality: An analysis of 13 years of demographic surveillance data from an urban African area. Clin Infect Dis 2020 (published online Sep 19)
Bullo UF, Mehraj J, Raza SM, et al. An experience of mass administration of fractional dose inactivated polio vaccine through intradermal needle-free injectors in Karachi, Sindh, Pakistan. BMC Med 2021 Jan 6;21(44)
De Coster I, Leroux-Roels I, Bandyopadhyay AS, et al. Safety and immunogenicity of two novel type 2 oral poliovirus vaccine candidates compared with a monovalent type 2 oral poliovirus vaccine in healthy adults: two clinical trials. Lancet 2020 (published online Dec 9)
Jiang R, Liu X, Sun X, et al. Immunogenicity and safety of the inactivated poliomyelitis vaccine made from Sabin strains in a phase IV clinical trial for the vaccination of a large population. Vaccine 2021 (published online Jan 22)
Kalkowska DA, Pallansch MA, Cochi SL, et al. Updated characterization of poliovirus transmission in Pakistan and Afghanistan and the impacts of different outbreak response vaccine options. J Infect Dis 2021 (published online Apr 22)
Kalkowska DA, Voorman A, Pallansch MA, et al. The impact of disruptions caused by the COVID-19 pandemic on global polio eradication. Vaccine 2021 (published online Apr 27)
Mansour Z, Said R, Wannamuehler K, et al. Estimating population immunity to poliovirus in Lebanon: results from a seroprevalence survey, 2016. Vaccine 2020 (published online Jun 1)
Mashunye T, Ndwandwe DE, Dube KR, et al. Fractional dose compared with standard dose inactivated poliovirus vaccine in children: a systematic review and meta-analysis. Lancet Infect Dis 2021 (published online Apr 30)
Saez-Llorens X, Bandyopadhyay AS, Gast C, et al. Safety and immunogenicity of two novel type 2 oral poliovirus vaccine candidates compared with a monovalent type 2 oral poliovirus vaccine in children and infants: two clinical trials. Lancet 2020 (published online Dec 9)
Saleem AF, Mach O, Yousafzai MT, et al. One-year decline of poliovirus antibodies following fractional-dose inactivated poliovirus vaccine. J Infect Dis 2020 (published online Aug 15)
Yan S, Chen J, Zhang Z, et al. Immunogenicity and safety of different sequential schedules of Sabin strain-based inactivated poliovirus vaccination: a randomized, controlled, open-label, phase IV clinical trial in China. Vaccine 2020 (published online Jul 31)
