本文翻譯自美國疾控中心官網https://www.cdc.gov/外面疫情捲土重來，希望此文關於如何正確選擇口罩和佩戴、清潔方法對閱讀者有用。文章較長，細緻閱讀需約10分。
1、How to Select, Wear, and Clean Your Mask
如何選擇、佩戴和清潔面罩
Wear masks with two or more layers to stop the spread of COVID-19
戴兩層或兩層多層的口罩，阻止COVID-19 的傳播
Wear mask over your nose and mouth and secure it under your chin
把口罩戴在鼻子和嘴上，放在下巴下
Masks should be worn by people two years and older
兩歲及以上的人應該戴口罩
Masks should NOT be worn by children younger than two, people who have trouble breathing, or people who cannot remove the mask without assistance.
兩歲以下的孩子、呼吸困難的人或沒有幫助不能取下口罩的人不應戴口罩
Do NOT wear masks intended for healthcare workers, for example, N95 respirators.
請勿佩戴適合醫護人員的口罩，例如N95 呼吸器
CDC does not recommend the use of gaiters or face shields. Evaluation of these face covers is on-going but effectiveness is unknown at this time.
CDC 不建議使用護罩或面罩。這些面罩的評估正在進行，但目前效果尚不得而知
How to Select如何選擇
Whenselecting a mask, there are many choices. Here are some do’s and don’ts. 選擇面罩時，有許多選擇。這裡有一些做法對比。
How to Wear如何佩戴
Wear a mask correctly and consistently for the best protection.Be sure to wash your hands before putting on a maskDo NOT touch the mask when wearing it
Do wear a mask that保證佩戴口罩
Covers your nose and mouth and secure it under your chin
緊貼臉部兩側、覆蓋鼻子、嘴巴、下巴
Fits snugly against the sides of your face 緊貼臉部兩側保證佩戴口罩時，緊貼臉部兩側、覆蓋鼻子、嘴巴、下巴。如下圖
How NOT to wear a mask別這樣戴口罩，見圖示：
How to take off a mask如何摘下面罩
1、小心地解開腦後的弦或或拉長耳圈；2、只通過耳掛或領帶來處理；3、折疊外角；4、摘掉面罩後，不要觸碰眼睛、鼻子、嘴巴，並立即洗手。
How to Clean如何清洁面罩
Include your mask with your regular laundry
在普通洗衣房中包括您的口罩
Use regular laundry detergent and the warmest appropriate water setting for the cloth used to make the mask
使用常規洗衣粉和水溫適當的水
Use the highest heat setting and leave in the dryer until completely dry
使用高熱設置，留在烘乾機中直到完全乾燥
見下圖：
2、How to Protect Yourself & Others
如何保護自己和他人
Know how it spreads瞭解傳播
There is currently no vaccine to prevent coronavirus disease 2019 (COVID-19). 目前沒有預防冠狀病毒疾病的疫苗（COVID-19）The best way to prevent illness is to avoid being exposed to this virus.The virus is thought to spread mainly from person-to-person.Between people who are in close contact with one another (within about 6 feet).Through respiratory droplets produced when an infected person coughs, sneezes or talks.通過呼吸道水當感染者咳嗽、打噴嚏或說話時產生These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.這些水滴可以降落在附近或可能吸入肺部的人的嘴或鼻子Some recent studies have suggested that COVID-19 may be spread by people who are not showing symptoms.最近的一些研究表明，COVID-19可能由沒有表現出症狀的人傳播
Everyone Should每個人都應該
Wash your hands often 常洗手
Wash your hands often with soap and water for at least 20 seconds especially after you have been in a public place, or after blowing your nose, coughing, or sneezing.經常用肥皂和水洗手至少20秒，尤其是在公共場所或鼻涕、咳嗽或打噴嚏之後。It’s especially important to wash: 清洗很重要Before eating or preparing food 進食或準備食物前Before touching your face 觸摸你的臉之前After using the restroom 使用洗手間後After leaving a public place 離開公共場所後After blowing your nose, coughing, or sneezing鼻涕、咳嗽或打噴嚏後After handling your mask鼻涕、咳嗽或打噴嚏後After changing a diaper換尿布後After caring for someone sick 照顧病人後After touching animals or pets 觸摸動物或寵物後If soap and water are not readily available, use a hand sanitizer that contains at least 60% alcohol. Cover all surfaces of your hands and rub them together until they feel dry.如果肥皂和水不易獲得，請使用含有至少60%酒精的洗手液。覆蓋手的所有表面，揉在一起，直到它們感到乾燥。Avoid touching your eyes, nose, and mouth with unwashed hands.Avoid close contact 避免近距離Inside your home: Avoid close contact with people who are sick.If possible, maintain 6 feet between the person who is sick and other household members.在您的家中：避免與生病的人保持密切聯繫。如果可能，在病人和其他家庭成員之間保持6英尺。Outside your home: Put 6 feet of distance between yourself and people who don’t live in your household.Remember that some people without symptoms may be able to spread virus.Stay at least 6 feet (about 2 arms’ length) from other people.Keeping distance from others is especially important for people who are at higher risk of getting very sick.與別人保持距離，這對於患重病風險較高的人尤其重要。
Cover your mouth and nose with a mask when around others
在別人身邊時用口罩捂住嘴和鼻子
You could spread COVID-19 to others even if you do not feel sick.即使你不覺得不舒服，你也可以把COVID-19傳播給其他人The mask is meant to protect other people in case you are infected.Everyone should wear a mask in public settings and when around people who don’t live in your household, especially when other social distancing measures are difficult to maintain.每個人都應該在公共場所和周圍那些不住在你家的人身邊戴口罩，尤其是當其他社交距離措施難以維持的時候。Masks should not be placed on young children under age 2, anyone who has trouble breathing, or is unconscious, incapacitated or otherwise unable to remove the mask without assistance.不應將口罩放在2歲以下的兒童、呼吸困難或失去知覺、無行為能力或無法在沒有協助的情況下取出口罩的任何人身上。Do NOT use a mask meant for a healthcare worker. Currently, surgical masks and N95 respirators are critical supplies that should be reserved for healthcare workers and other first responders.不要使用適合醫護人員的口罩。目前，外科口罩和N95呼吸器是關鍵用品，應預留給醫護人員和其他急救人員。Continue to keep about 6 feet between yourself and others. The mask is not a substitute for social distancing.繼續保持你和其他人之間的約6英尺。面具不能代替社交距離
Cover coughs and sneezes
捂住咳嗽和打噴嚏
Always cover your mouth and nose with a tissue when you cough or sneeze or use the inside of your elbow and do not spit.
咳嗽或打噴嚏或使用肘部內側時，請始終用紙巾捂嘴和鼻子,不要吐痰。
Throw used tissues in the trash. 用過的紙巾扔進垃圾桶
Immediately wash your hands with soap and water for at least 20 seconds. If soap and water are not readily available, clean your hands with a hand sanitizer that contains at least 60% alcohol.
立即用肥皂和水洗手至少20秒。如果肥皂和水不易獲得，請用含有至少 60% 酒精的洗手液清潔雙手。
Clean and disinfect清潔和消毒
Clean AND disinfect frequently touched surfaces daily. This includes tables, doorknobs, light switches, countertops, handles, desks, phones, keyboards, toilets, faucets, and sinks.
每天清潔和消毒經常接觸的表面。這包括桌子、門把手、燈開關、檯面、把手、書桌、電話、鍵盤、廁所、水龍頭和水槽。
If surfaces are dirty, clean them. Use detergent or soap and water prior to disinfection.
如果表面髒汙，請清潔。消毒前使用洗滌劑或肥皂和水。
Then, use a household disinfectant. 然後使用家用消毒劑
