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A comment on Ask HN: Is UK government insane or genius?. Parent comment

Re:Ask HN: Is UK government insane or genius? by ksec on Tuesday March 17, 2020 @07:07AM (#22603707)
Arh. I see it now. When ever Mask is mentioned in the context of CJK, it meant medical mask with 95% PFE, VFE and BVE mask. Stopping size of 0.1 Micron.

Sorry I wasn't being clear enough. We knew very early on N95 doesn't work.

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