WHO Expert Committee on Biological Standardization (ECBS) have been posted main outcomes of the meeting held from 21 to 25 October 2019 on the biologicals website at the url as follows: https://www.who.int/biologicals/WHO_ECBS/en/

Guidelines on the quality, safety and efficacy of respiratory syncytial virus vaccines; and Recommendations to assure the quality, safety and efficacy of poliomyelitis vaccines (inactivated) ‚Äď Amendments (2019) to Annex 3 of WHO TRS No. 993

Please note that, as stated in the document, they are now subject to WHO editorial review and there will be further editorial changes but without affecting the technical contents.  The final version will be published in the WHO Technical Report Series (TRS) in 2020.