The claim
網傳影片：如果您能停住呼吸直到黑點結束移動，這意味著您的肺部非常健康，氧氣含量高。而且沒有冠狀病毒。
Sources and attribution
Original review: MyGoPen. Structured data compiled by Data Commons under CC BY 4.0. Publisher article content is subject to its own terms.
Updated
The claim
Original review: MyGoPen. Structured data compiled by Data Commons under CC BY 4.0. Publisher article content is subject to its own terms.
Updated