Ontology highlight
ABSTRACT:
SUBMITTER: De Coster I
PROVIDER: S-EPMC7811203 | biostudies-literature | 2021 Jan
REPOSITORIES: biostudies-literature

Lancet (London, England) 20201209 10268
<h4>Background</h4>Two novel type 2 oral poliovirus vaccine (OPV2) candidates, novel OPV2-c1 and novel OPV2-c2, designed to be more genetically stable than the licensed Sabin monovalent OPV2, have been developed to respond to ongoing polio outbreaks due to circulating vaccine-derived type 2 polioviruses.<h4>Methods</h4>We did two randomised studies at two centres in Belgium. The first was a phase 4 historical control study of monovalent OPV2 in Antwerp, done before global withdrawal of OPV2, and ...[more]