The document on Evaluation of the quality, safety and efficacy of messenger RNA vaccines for the prevention of infectious diseases: regulatory considerations, is open for public comments on the WHO website:  (scroll down to the right-hand you will find “Call for comments”.)

The direct link to the document is :

Please use the WHO Comment Form to provide your comments:


Comments should be sent to Dr. Tiequn Zhou at no later than 17 September 2021.