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WEARING #Masks IS CONSISTENTLY PROTECTIVE
If metaanalysis is tricky simple visualisations help
These are key data from Brainard review (Fig 2)
UK Deputy CMO what is not persuasive about this?
Small benefits will help us all with #COVID19 threat
https://www.medrxiv.org/content/10.1101/2020.04.01.20049528v1">https://www.medrxiv.org/content/1...
If metaanalysis is tricky simple visualisations help
These are key data from Brainard review (Fig 2)
UK Deputy CMO what is not persuasive about this?
Small benefits will help us all with #COVID19 threat
https://www.medrxiv.org/content/10.1101/2020.04.01.20049528v1">https://www.medrxiv.org/content/1...
FYI @trishgreenhalgh 
https://abs.twimg.com/emoji/v2/... draggable="false" alt="đ·" title="Face with medical mask" aria-label="Emoji: Face with medical mask">
Nuanced hints now from WHO special envoy on #COVID19 David Nabarro about masks "...facial protection is I& #39;m sure going to become the norm" https://www.bbc.co.uk/programmes/p089cz1s?at_custom4=7DA1213C-7D6A-11EA-A193-B8B1923C408C&at_medium=custom7&at_campaign=64&at_custom2=twitter&at_custom3=%40BBCr4today&at_custom1=%5Bpost+type%5D">https://www.bbc.co.uk/programme...
