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A comment on Why is Japan still a coronavirus outlier?. Parent comment

Re:Why is Japan still a coronavirus outlier? by boomboomsubban on Sunday March 22, 2020 @01:19AM (#22652924)
>Not using a mask as community will ensure that virtually everywhere is potentially contaminated and you are under a larger risk and at all time

How does a healthy person wearing a mask prevent contamination?

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Re:Why is Japan still a coronavirus outlier? by tagrun on Sunday March 22, 2020 @01:31AM (#22652971)
> How does a healthy person wearing a mask prevent contamination?

How do you know they're healthy? That's the key, because asymptomatic cases are estimated to be the main driver of this pandemic by far. And it's only worsened by the fact that only few tests are available.

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