Key information
Request reference number: MGLA150721-8372
Date of response:
Summary of request
The Mayor of London tweeted the below saying there is “overwhelming evidence that face masks reduce the transmission of COVID”. This request relates to obtaining all of this evidence, which is presumably held by the Mayor, his office, TfL or elsewhere under your/his direct or indirect authority, seeing as he refers to it and it forms the basis for his policy re face masks on TfL services.
Please send this evidence in whatever format you hold it, be it a word document, pdf, excel file, csv file etc.
Related documents
MGLA150721-8372 - FOI response