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Science Vs

Coronavirus: How Many Silent Spreaders Are There?

01 May 2020

Transcription

Chapter 1: What is the main topic discussed in this episode?

1.01 - 4.513 Wendy Zuckerman

Hello, this is Mark. Oh, hi, Mark. How are you? This is Wendy.

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4.533 - 5.694 Mark Jorgensen

Hi, Wendy. How are you?

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Chapter 2: What experiences did Mark Jorgensen have on the Diamond Princess cruise ship?

6.315 - 10.359 Wendy Zuckerman

Mark Jorgensen is from southern Utah, which he tells us is a beautiful place.

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10.839 - 16.625 Mark Jorgensen

I look out my window, I see red cliffs and white cliffs, and it's just actually quite spectacular.

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16.645 - 30.741 Wendy Zuckerman

Back in January, Mark and his wife, Geri, decided to leave their beautiful cliffs and go on a trip. So they took a 15-hour flight to Japan and headed to the harbor, where they sought their new home for the next couple of weeks. cruise ship.

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30.761 - 40.131 Mark Jorgensen

You know, the size of it is just, they're just huge. I mean, to think that this thing actually floats, it's just amazing.

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40.151 - 51.143 Wendy Zuckerman

18 decks, four pools, and all-you-can-eat buffets. Mark and his wife, Geri, climbed aboard, and from there, they were off on a two-week adventure across parts of Asia.

51.743 - 60.298 Mark Jorgensen

My favorite stops were Hong Kong and Taiwan. Hong Kong is It's just an amazing city and it's just so vibrant and so much going on.

60.338 - 63.302 Wendy Zuckerman

And this cruise ship? Maybe you've heard of it.

64.143 - 65.505 Mark Jorgensen

Well, it's called the Diamond Princess.

66.226 - 92.621 Wendy Zuckerman

Yeah, that Diamond Princess. Unbeknownst to Mark, he was on board what would become an infamous cruise ship, a major hotspot for the coronavirus. The Diamond Princess ended up becoming this accidental experiment. And Mark, an accidental guinea pig. His experience would give scientists some crucial information on how this virus can spread. Silently.

Chapter 3: What unexpected news did Mark receive while on the cruise?

607.978 - 633.623 Wendy Zuckerman

Antibody testing. Antibody testing. These tests are looking for, you guessed it, antibodies. We've talked about them on the show before. These are proteins from our immune system. And having antibodies are a sign that your body has at one point been exposed to the virus. So can these antibody tests help us nail down how many people got this virus without getting sick?

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635.915 - 644.487 Wendy Zuckerman

To find out, we called up Vivek Nooranbai, a doctor at Mass General Hospital in Boston, who specialises in how viruses affect our immune system.

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645.028 - 645.849 Michelle Dang

Hello?

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645.87 - 649.996 Wendy Zuckerman

Hi. You're a much-wanted expert in this current climate.

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650.857 - 653.08 Unknown

Oh, I don't think anyone's an expert, really, but we're all fine.

653.633 - 671.698 Wendy Zuckerman

Vivek told us that these antibody tests, they're not perfect. But a bigger issue when it comes to using them to know how many people are asymptomatic is that these tests, they can't tell you that on their own. You need to actually ask the people you're testing, have you been feeling sick?

672.559 - 684.335 Wendy Zuckerman

And in some studies, like the big one we're hearing about from the New York State government, they're not actually asking people that question. One of the few studies we have on this comes from Vivek's team.

684.875 - 689.14 Unknown

We wanted to get a first glimpse of what was going on, and I'm happy to tell you a little bit about the results.

689.56 - 702.215 Wendy Zuckerman

Vivek's team just finished this study, and it's still going through peer review. And here's what his team did. They went to a small city just outside of Boston called Chelsea, which had been hit really hard by this disease.

Chapter 4: How did Mark's quarantine experience unfold after testing positive?

1188.436 - 1216.198 Wendy Zuckerman

And it makes some fundamental stuff that we've been talking about on this show for a while even more important. We need to make sure that people can get tested. We need to make sure that we're tracking down everyone who has this and the people they come in contact with. But with all the unknowns here, one thing is for sure. This virus is going to keep being a huge pain in the ass for a while yet.

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1221.983 - 1225.31 Unknown

And now, time for a little NCVC.

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1232.565 - 1256.196 Wendy Zuckerman

Today, what happens when a computer tries to make the perfect pop song? What does it sound like? Well, to find out, here's what a team of nerds from Australia did. First, they taught a computer algorithm what pop music was by feeding it samples of songs from this very cheesy but very wonderful European pop music competition called Eurovision.

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1257.318 - 1293.325 Wendy Zuckerman

Then the team taught the computer what lyrics are by giving it a bunch of words from pop songs. Finally, for a bit of a homespun sound, they added into the mix some Aussie noises like koalas. Yeah, this is what a koala can sound like. The algorithm took those koala sounds and turned it into this jam. And then lyrics were added, which transformed the koala noises and made a brand new song.

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1293.826 - 1301.636 Wendy Zuckerman

And humans did intervene a bit. They made sure that the words were in an order that made sense. But here's what came out.

1302.878 - 1303.138

Welcome home.

1307.928 - 1327.289 Unknown

It's not bad, right?

1327.309 - 1337.04 Wendy Zuckerman

And this is all part of a machine learning song competition. So you could actually vote for this song. We'll put a link to the entire song and to the competition in our show notes.

1339.113 - 1345.922 Unknown

That's Science Versus. Hello?

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