The WHO/BS/2020.2381-  Amendment to WHO Guidelines for the safe production and quality control of poliomyelitis vaccine (Annex 4, WHO TRS No. 1016) is available at WHO biological website (, right-hand) .

This document has been prepared based on the discussions at the 4th CAG meeting in July 2019 and the WHO ECBS meeting in Oct 2019; it has taken into consideration comments received from the 1st round Public Consultation on WHO website during February-April this year.  This version has gone through 1st WHO editorial review and has been submitted as BS document for review by the upcoming ECBS meeting in late August.

This draft is being published to get feedback from public audience including regulatory authorities, manufacturers, and other stakeholders. Comments to be received during this round Public Consultation will be reviewed by the drafting group and presented to ECBS subsequently.

DEADLINE for submission of comments: 3 August 2020. Send your comments to Dr Tiequn Zhou at: using the form available at 


Further information: