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不妨想想...林保瑩醫師的提醒… 

正當人們被放大2000倍的口罩上會動的細菌影片驚嚇的同時，或許仍有很多人正考慮用台製電鍋消毒拋棄式口罩來準備做下一次的使用，是否曾想過在蒸煮前，該如何安全地經手這些充滿細菌、顆粒的髒口罩？今天重點是提醒，如何「適當地」摘下並儲存這些可能具有傳染性的污染口罩！！！

拋棄式口罩對於有害的懸浮微粒（例如PM2.5）或有傳染性的微生物（甚至是病毒）具有較好的防禦力，它是目前用來抵抗新冠病毒最被推崇且搶手的防護工具之一。拋棄式口罩顧名思義就是使用完畢後要拋棄，但就現階段在口罩供不應求的現實情況下，用完即丟是不夠實際的作法；台灣已經可以在奇蹟的生產線上一天製造1300萬片口罩，但是供應國內的需求或是用於世界他國的口罩外交也好，仍不及「每人每天一口罩」的供需量，目前只有在需近距離接觸患者，如牙科、醫科相關等業別，才有可能拿到每人每天一口罩的配額。有科學家證明，拋棄式口罩的確是可以經由乾熱加溫70度以上超過30分鐘消毒來達到重複使用的目的。另外也有人嘗試用酒精消毒口罩，但這並不是個好主意，因為經研究顯示，酒精會破壞口罩上的帶電纖維，反而削弱了口罩的保護力。台灣政府現也鼓勵民眾使用完拋棄式口罩後，運用電鍋乾加熱的方式，消毒後重複使用。

既然無症狀帶原者也具有極高的傳染能力，這不得不要我們做好需經常配戴口罩、並保持社交距離的長期抗戰的準備，不論口罩清潔與否，如何適當收納是個很值得仔細思考的每日課題。目前市面上販售的收納容器，主要是針對全新或消毒過「乾淨口罩」，但那些需要被重複使用的「髒口罩」該如何收納，才不會對您的手、口袋、手提包造成二次污染呢？我建議各位不妨試試「雙口罩」法。

不要只拆下一個「裸罩」！除非直接丟入垃圾桶，此罩雖能隔絕污染口鼻的侵入，但絕對「罩不住」對手及儲罩區的感染！

將另一個乾淨的口罩（選用可重複洗淨或酒精消毒的材質），罩在拋棄式口罩的外面一起取下，這樣的一個動作，可以確保拋棄式口罩的髒外層不會接觸到您其他的一切，這個「外罩」必須較大些，具有可折疊、好攜帶、可重複清潔或酒精消毒的特性，而且「只用來」罩住拋棄式口罩後儲存。當您需要重新戴回口罩時，只要「倒帶」剛才取下的動作即可，當然罩外罩的內層可時不時用酒精消毒。

所以下次出門時別忘了攜帶新鮮的「拋棄式口罩」和布質的「罩外罩」；記得千萬不要直接摘除拋棄式口罩，一定要先用罩外罩將拋棄式口罩的髒外層包住後，再一併取下，將雙罩向內對折，確保乾淨的一面朝外儲存在合適的收納處，不要只用「裸罩」，要記得為口罩穿上另外一件外罩，因為「罩不住」人身的安全，雙罩併用可保您全家安康。

Just a Thought…Dr. Paul Lin's Reminder...

The Murderer is Caught HERE (III) _ How to wisely REUSE a disposable mask?

Just when people are frightened by the disgusted motile bacteria after enlarged 2000x on the external surface of a used mask and enthusiastic about how to sanitize a used disposable mask by MIT’s cooker, did it ever occurred to you how you handle this filthy mask full of bugs or particles before it contaminate things all around you prior to its dry-heat steaming process should you choose to reuse it? The key is how you properly remove and store this used and potentially contaminated mask!!!

Disposable surgical mask presents with better protection against small hazardous particles (i.e. PM2.5) or infectious microorganisms (even virus). It is one of the hottest promoted and pursued guard all over the world against COVID-19 right now. “Disposable” means to dispose after each use. Obviously, it’s not practical. Taiwan can contribute more than 13 millions a day of such mask from several miraculous product line for domestic use and even part of the world. Unfortunately, only medical or dental related professionals have the luxury of disposing them after treating patients on a daily basis. It is evident that people at large undoubtedly come short of day-to-day supply in Taiwan. Scientist has proven that sanitize this disposable mask with alcohol is not a good idea due to its removal of static charge from the microfibers of the mask thus weakened the protection. However, heating the mask above 70oC in a kitchen-type oven for 30 min is reported to be an effective decontamination method. It is encouraged by government officials of Taiwan to transform this disposable nature of mask to a non-disposable one by similar method for refreshing or revitalizing it.

Since asymptomatic carrier is very much capable of transmitting COVID-19, we have to be prepared to grow into habit of wearing mask or keeping social distance for a prolonged time. Storing the mask whether it’s clean or dirty is becoming a regular routine. Many mask storage or protection pouches or cases are available in the market, however, for the storage of a CLEAN (brand new or sanitized) mask only, not the used DIRTY one. How to prevent the soiled exterior surface of the mask from touching your hand, pocket, purse or mask storage pouch and pollute all your belongings? I’m employing a method called DOUBLE MASKING!!!

Don’t just remove a “BARE mask”! It serves as a barrier of the contaminants to your mouth and nose but certainly “NO BARRIER” to your hands or places for storage unless it’s next destination is to the trash box. By placing another clean mask (preferably washable or cleansable by alcohol) on top of the worn disposable used mask to be removed from your face, you can secure the dirty side of the mask by inner surface of this Covering Mask. This covering mask should be larger in size with ease of folding, carrying & recycling characteristics and only used for mask storage. Should you want to put on the used mask again after eating or drinking, simply unfold the doubled layered masks and put on the inner surgical disposable mask. You can of course sanitize the inner polluted side of this covering mask with alcohol from time to time to keep it clean.

So next time don’t leave home without TWO masks, one new or sanitized disposable surgical mask to protect you and another washable clothed mask to protect your mask. Don’t remove the used mask directly from the face, be reminded to place the covering mask on top of the disposable mask first then remove both of them together. Folded in half, these double masks with clean exterior surface can now be safely stored in whatever suitable as personal belongings.