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How unhygienic it is to wear your shoes at home?

在家穿鞋到底有多不卫生？

文字稿

Kate Bowie, BBC correpondent
"Eww! That's on our shoes? That's much grosser than I thought it would be actually."

凯特·博伊 BBC 通讯员
“哎哟！这东西在我们的鞋上？说实话，这比我之前想象的还要脏得多。”

Do you take off your shoes indoors?

你在室内会脱鞋吗？

The question divides parts of the world, and the internet.

这个问题让全球各地以及整个互联网上的人都吵翻了天。

It's something that couple, American Sophia and Serbian Pedja, quickly learnt when they shared their different views on social media.

当他们在社交媒体上分享了各自不同的观点之后，美国姑娘索菲亚和塞尔维亚小伙佩贾很快就深切体会到了这一点。

Sophia Trifunovic, leave shoe on
"The reason that we made that video was because there was a huge debate between my family and his."

索菲亚·特里弗诺维奇 “不脱鞋派”
“我们之所以制作那段视频，是因为我们两家人之间为此吵得不可开交。”

Pedja Trifunovic, take shoes off
I grew up in a house where we took off our shoes.

佩贾·特里弗诺维奇 “脱鞋派”
“我从小到大在家里，大家都是要脱鞋的。”

Sophia Trifunovic, leave shoe on
"It was, like, very strange to me, that I'm like 'Oh, you want to, like, smell my feet?'"

索菲亚·特里弗诺维奇 “不脱鞋派”
“这对我来说感觉挺怪的，就像是在说 ‘你想来闻闻我的脚吗？’”

Pedja Trifunovic, take shoes off
"A lot of people are 'disgusted' by 'Oh, how can you wear shoes in the house?'"

佩贾·特里弗诺维奇 “脱鞋派”
“很多人会觉得恶心，‘哎呀，你怎么能在家里穿鞋呢？’”

But is it really unhygienic to leave your shoes on indoors?

但在室内不脱鞋，真的很不卫生吗？

BBC World Service went to a microbiology lab at the University of Brighton to find out.

为了回答这个问题，BBC 国际频道前往了布莱顿大学的微生物实验室一探究竟。

Dr Sarah Pitt, microbiologist
"These are your shoes?"

莎拉·皮特博士微生物学家
“这双鞋是你的吗？”

Kate Bowie, BBC correpondent
"These are my shoes."

凯特·博伊 BBC 通讯员
“是的，是我的鞋。”

Dr Sarah Pitt, microbiologist
"Where have you been with those?"

莎拉·皮特博士微生物学家
“你都穿着它们去过哪些地方？”

Dr Sarah Pitt, microbiologist
"We're going to get your shoes, swab the top and the bottom. And then we're going to put that sample onto some agar plates. We're going to come back in 24 hours and then see what's grown. Back in the lab, here are your plates. So we found staphylococcus aureus and that can be very nasty, even in healthy people. If you scratch yourself, you get staph aureus in there, you can get a big boil, sort of infected pus. But also it can cause significant infections like pneumonia and also a bloodstream infection in people who are immunocompromised."

莎拉·皮特博士微生物学家
“我们要拿你的鞋，在鞋面和鞋底用棉签取样。然后把样本涂布在琼脂培养皿上。 24 小时后再来看看都长出了什么。现在回到实验室，这就是你的培养皿。我们发现了金黄色葡萄球菌，这东西非常厉害，哪怕对于健康人也是如此。如果你不小心抓伤自己，导致金黄色葡萄球菌通过伤口进入体内，就会长出大脓包，也就是感染性的脓液。不仅如此，它还能引发更加严重的感染，比如肺炎，对于免疫力较弱的人群来说，甚至可能引发血液感染。”

Dr Sarah Pitt, microbiologist
"Those bacteria that we found could stay alive and able to infect other people in the household for quite some time, maybe even a few days, particularly in a nice safe, warm environment like a carpet. All around the world there might be different bacteria. There'll also be funguses and also parasites. So, wherever you are in the world, you should definitely take your shoes off as soon as you get indoors.

莎拉·皮特博士微生物学家
“我们发现的这些细菌能够在家中存活很长时间，并能在相当长的一段时间内感染家中的其他人，尤其是在地毯这种舒适、相对封闭、温暖的环境里。世界各地的细菌种类不尽相同。有些地方还存在真菌甚至寄生虫。所以，不论你身处何地，进屋后绝对应该立刻拖鞋。”