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Before the Covid-19 pandemic, airplanes and airports were considered notoriously germy. With high-touch surfaces like tray tables and cramped spaces that make distancing difficult, there are lots of potential ways to spread germs and viruses.

在新冠疫情爆發之前，大家都知道飛機和機場是出了名的細菌多。除了諸如小桌板等被頻繁觸碰的表面以及無法讓乘客保持一定距離的擁擠空間，飛機上還有許多可以傳播細菌和病毒的地方。

But if you’re planning to travel this holiday season, airports and aircrafts will look different — potentially cleaner than usual.

盡管上述情形，如果你打算在這個假日旅行，機場和飛機會看上去不一樣-會比平時干凈許多。

The new CNBC documentary, “Shepard Smith Reports: Air Travel in Turmoil,” highlights some of the steps that American Airlines is taking to keep travelers safe during the pandemic, including how aircrafts are cleaned. Here are some of the top techniques.

CNBC新推出的紀錄片《Shepard Smith的報道：在動蕩中乘飛機旅行》就重點介紹了美國航空公司在疫情期間通過采取某些措施來使旅客遠離病毒，具體包括如何清潔飛機。以下是部分重點清潔方法。

Using high-tech disinfectants

使用高科技的消毒劑

To disinfect the larger surfaces of American Airlines aircrafts, like the walls, side panels, flight deck and entryways, these areas are sprayed every seven days with an extra efficient “electrostatic” cleaning agent.

對美國航空公司飛機中一些比較大的表面，比如墻壁、側板、駕駛艙和入口通道進行消毒時，這些區域會每隔7天噴灑一種特別有效的靜電清潔劑。

This high-tech disinfectant works by charging antimicrobial liquid as it passes through a nozzle, according to the Environmental Protection Agency. Antimicrobial droplets with a positive electrical charge are attracted to negatively charged environmental surfaces, and cling to hard, non-porous environmental surfaces. 

根據環境保護機構的介紹，這種高科技的清潔劑在通過噴嘴噴出時會釋放一種抗菌液體。帶有正電極的抗菌液滴會被吸附到帶有負電極的周圍表面并粘附在堅固、無細孔的環境表面。

The spray creates “an ionized protective layer that has these little needles these little swords,” Jessica Tyler, president of cargo and vice president of airport excellence for American Airlines told CNBC’s Shepard Smith. “It breaks apart the outer part of the virus, rendering it ineffective, basically.”

“噴霧會形成一層離子保護層，離子保護層表面有微小的如同利劍一般的針尖。這些利劍般的針尖會病毒外部打散，并從根本上使病毒失效”，美國航空公司貨物部主席及機場卓越部部主席Jessica Tyler向CNBC的Shepard Smith介紹到。

Electrostatic spray has been shown to provide seven-day protection against bacteria, mold and viruses, including the virus that causes Covid-19.

靜電噴涂已證實能夠提供7天的抗菌、抗霉以及抗病毒保護，包括引起Covid-19的病毒。

Cleaning 81 high-touch surfaces

清潔81處被頻繁觸摸的表面

Covid-19 is mainly spread through respiratory droplets and aerosolized particles when an infected person coughs, talks, sneezes or breathes in close proximity to others. These virus-containing particles can also survive on surfaces and transfer to people through touching the object, and then touching your nose, mouth or eyes. So it’s important to disinfect high-touch surfaces.

當感染Covid-19的患者在他人附近咳嗽、說話、打噴嚏或呼吸時，Covid-19主要通過飛沫和氣溶膠傳播。這些帶有病毒的顆粒還可以存活于物體表面并通過觸摸物體，然后再觸摸鼻子、嘴或眼睛的方式傳給對方。因此，對密切觸摸的表面進行消毒非常重要。

“The extreme measures that we’re taking to clean the aircraft start with cleaning the aircraft before every single flight,” Tyler said.

“我們目前所采取的最嚴格的清潔飛機的方式是在每次飛行前對飛機進行清潔”，Tyler表示。

There are 81 specific touchpoints (such as handrails, seatbelts, seats, air vents and bathrooms) that get wiped down on American Airlines aircraft. A team of five or six people use a hospital-grade disinfectant to clean these surfaces before each flight, Tyler said.

美國航空公司飛機上有81個具體的觸摸部位會被徹底擦拭，這些觸摸部位包括扶手、安全帶、座椅、排氣口和衛生間等。

Clean airflow in the cabin

清潔機艙內的空氣流

Interestingly, viruses and germs don’t spread easily on an aircraft, due to how the air is filtered and circulated in the cabin, according to the CDC.

根據CDC介紹，有趣的是，病毒和細菌無法輕易在機艙內傳播，這是因為空氣在機艙內有其獨特的過濾和流動方式。

Air in the cabin of an aircraft is refreshed every two to four minutes, Henry Harteveldt, atmosphere researcher and travel analyst, told CNBC. The air that you breathe inside of an aircraft is a combination of outside air and air that has been filtered through HEPA (high-efficiency particulate air) filters, similar to those used in hospitals and some portable air purifiers. HEPA filters can capture at least 99.97% of airborne particles.

大氣研究人員和旅行分析師Henry Harteveldt告訴CNBC，飛機機艙內的空氣每隔2到4分鐘就會更新一次。你在機艙內所呼吸的空氣是外界空氣和通過HEPA（高效能粒子空氣）過濾器過濾的空氣的結合，HEPA類似于醫院使用的裝備和部分可移動式空氣凈化器。HEPA過濾器可以捕獲至少99.97%的氣載微粒。

Even with clean air on board, it’s important to wear a mask to prevent spreading your own respiratory droplets to another person in close proximity on the flight.

但是，即使機艙內的空氣十分干凈，也需要佩戴口罩，以防將自己的飛沫傳播給近距離的其他乘客。

Traveling by any mode of transportation can increase your chance of getting and spreading Covid-19, according to the Centers for Disease Control. Airports and airplanes are riskier than, say, traveling by car, because it’s hard to maintain social distance on an aircraft, as well as in airport terminals and security lines.  

根據疾病控制中心的介紹，通過任何交通工具旅行都會增加感染并傳播Covid-19的風險。機場和飛機要比汽車更加危險，因為乘客在飛機上以及在機場航站樓和安檢排隊時，無法保持社交距離。

Certain steps, like wearing a mask and practicing good hand hygiene, can reduce your risk.

某些措施，比如佩戴口罩和良好的洗手習慣可以減少風險。

原文摘自CNBC，編輯：Susan