[1] Garcia-Beltran WF, Lam EC, St Denis K, Nitido AD, Garcia ZH, Hauser BM, et al. Multiple SARS-CoV-2 variants escape neutralization by vaccine-induced humoral immunity. Cell 2021. http://dx.doi.org/10.1016/j.cell.2021.03.013CrossRef
[2] Dagan N, Barda N, Kepten E, Miron O, Perchik S, Katz MA, et al. BNT162b2 mRNA COVID-19 vaccine in a nationwide mass vaccination setting. N Engl J Med 2021. http://dx.doi.org/10.1056/NEJMoa2101765CrossRef
[3] Famulare M, Selinger C, McCarthy KA, Eckhoff PA, Chabot-Couture G. Assessing the stability of polio eradication after the withdrawal of oral polio vaccine. PLoS Biol 2018;16(4):e2002468. http://dx.doi.org/10.1371/journal.pbio.2002468CrossRef
[4] Zhou JS, Wen N, Zhang Y, Qi Q, Fan CX, Yan DM, et al. Detection and initial response to a type 2 vaccine-derived poliovirus — Sichuan province, China, 2019. China CDC Wkly 2020;2(11):172 − 5. http://dx.doi.org/10.46234/ccdcw2020.045CrossRef
[5] Eccleston‐Turner M, Upton H. International collaboration to ensure equitable access to vaccines for COVID-19: the ACT-accelerator and the COVAX facility. Milbank Q 2021. http://dx.doi.org/10.1111/1468-0009.12503CrossRef