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Asdfgh mark this message contains personal perspective
originally written by Asdfgh
陳志傑是台灣大學環境與職業健康科學所教授,醫生提醒口罩一定要完全遮住口鼻才能達到防護力,而且一定要天天換,即使綿布的也要天天洗,不然會成為細菌孳生的溫床,更容易感冒。

Opinion Sources

https://news.cts.com.tw/cts/life/201912/201912301985915.html
https://health.ettoday.net/news/1274667
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