Comment on

• Randomized trial of type 1 and type 3 oral monovalent poliovirus vaccines in newborns in Africa.

  Waggie Z, Geldenhuys H, Sutter RW, Jacks M, Mulenga H, Mahomed H, De Kock M, Hanekom W, Pallansch MA, Kahn AL, Burton AH, Sreevatsava M, Hussey G. Waggie Z, et al. J Infect Dis. 2012 Jan 15;205(2):228-36. doi: 10.1093/infdis/jir721. Epub 2011 Dec 8. J Infect Dis. 2012. PMID: 22158680 Clinical Trial.
• Safety and immunogenicity of inactivated poliovirus vaccine made from Sabin strains: a phase II, randomized, positive-controlled trial.

  Liao G, Li R, Li C, Sun M, Li Y, Chu J, Jiang S, Li Q. Liao G, et al. J Infect Dis. 2012 Jan 15;205(2):237-43. doi: 10.1093/infdis/jir723. Epub 2011 Dec 8. J Infect Dis. 2012. PMID: 22158682 Clinical Trial.