Background Achieving polio eradication requires ensuring the delivery of sufficient supplies
of the right vaccines to the right places at the right times. Despite large global markets …

Summary Background Between 2018 and 2022, Nigeria experienced continuous
transmission of circulating vaccine-derived type 2 poliovirus (cVDPV2), with 526 cases of …

Background Novel oral poliovirus vaccine type 2 (nOPV2) has been engineered to improve
the genetic stability of Sabin oral poliovirus vaccine (OPV) and reduce the emergence of …

Background Novel oral polio vaccine type 2 (nOPV2) has been used to interrupt circulating
vaccine-derived poliovirus type 2 outbreaks following its WHO emergency use listing. This …

Polio eradication remains elusive, and its progress has been hampered by the COVID-19
pandemic. 1 Wild-type polioviruses are endemic in two countries (Afghanistan and …

The Global Polio Eradication Initiative owes much of its success in vastly reducing wild
poliovirus transmission globally to the use of live-attenuated Sabin oral poliovirus vaccine …

Background Novel oral poliovirus vaccine (OPV) type 2 (nOPV2) has been made available
for outbreak response under an emergency use listing authorization based on supportive …

We are responding to some misinfor mation and misunder standing promulgated by the
Comment by Tolbert Nyenswah and Jessica Schue (June, 2023) 1 on the Article by Stephen …

Polio vaccines: hope, hype, and history repeating? Page 1 Polio vaccines: hope, hype, and
history repeating? Announcement of new polio vaccines has once again raised hopes of …

We would like to express our gratitude to Ananda Bandyopadhyay and Simona Zipursky for
taking the time to read and respond to our Comment1 on the results presented by Stephen …