# Do masks help prevent the spread of COVID-19?

**URL:** <https://boards.straightdope.com/t/do-masks-help-prevent-the-spread-of-covid-19/852440>\
**Category:** The Quarantine Zone\
**Tags:** covid-quarantine\
**Created:** [April 23, 2020, 3:03pm UTC](https://boards.straightdope.com/t/do-masks-help-prevent-the-spread-of-covid-19/852440 "2020-04-23T15:03:38Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Riemann](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/riemann/32/3133_2.png) [@Riemann](https://boards.straightdope.com/u/Riemann)\
**Post date:** [April 23, 2020, 6:13pm UTC](https://boards.straightdope.com/t/do-masks-help-prevent-the-spread-of-covid-19/852440/12 "2020-04-23T18:13:58Z")

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> [@TriPolar](#):
>
> Your point is more applicable to things like bicycle and motorcycle helmets when it comes to prompting risky behavior.

I was just looking at the other thread…

> [@Are you wearing a mask if you go out in public?](https://boards.straightdope.com/t/are-you-wearing-a-mask-if-you-go-out-in-public/852448/7):
>
> …Also, I’m not going anywhere near someone who isn’t wearing a mask.

The corollary being…?

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