Re:US raises ‘deep concerns’ over WHO report on Covid’s Wuha...
by kergonath on Saturday February 13, 2021 @03:23PM
(#26126452)
I agree. They did not advise to mask early on (airborne transmission was still largely unproved around May, if I remember correctly).
In my mind it was ‘mask before the apparition of symptoms’, and I realise that my wording was not ideal in the context.
https://twitter.com/fu7371/status/1262786140777545728