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A comment on How South Korea Reined In The Outbreak Without Shutting Everything Down. Parent comment

Re:How South Korea Reined In The Outbreak Without Shutting E... by avmich on Saturday March 28, 2020 @01:03AM (#22709333)
Mask obstructs airflow. After some hours spent without fresh air somebody gets a headache.

Your mileage may vary, of course.

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