World Health Organization company blog
When and how to use masks
WHO's guidance and advice on the use of masks to protect against and limit the spread of COVID-19.
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Linked from 20 Hacker News comments by 20 different people, from Mar 2020 to Jan 2022.
Most recent:
- devmor · Jan 26, 2022
- remontoire · Sep 2, 2021
- Valectar · Aug 11, 2021
- 9nGQluzmnq3M · Jun 11, 2020
- NotSammyHagar · May 31, 2020
- wnoise · May 4, 2020
