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  • the Eiffel Tower the Milan Cathedral New York city devoid of tourists

  • in 2020 the world went into lockdown in Wuhan, central China a new coronavirus

  • had emerged the disease was named Covid19

  • can be characterized as a pandemic as of mid-december 2020 the novel

  • coronavirus spread to more than 180 countries

  • infected more than 71 million people and killed more than 1.6 million

  • most governments around the world were at a loss for how to contain the

  • infection and ordered everyone to just stay home

  • while much of the world was at a standstill in taiwan

  • international marathons and parades were taking place

  • people were able to go to school and work

  • it was pretty much life as usual from mid-april to the end of 2020 there

  • were zero local cases of covet 19. the secret

  • is in taiwan's public health system grace liao is a veteran news presenter

  • who knows key decision makers

  • and alan leanne a medical doctor and public health expert

  • they're on a mission to uncover taiwan's secrets

  • they will uncover and share how taiwan has been able to emerge as a global

  • leader in beating covet 19.

  • [Music]

  • like all biological organisms viruses strive to climb to the top of the food

  • chain in 2019 a new virus emerged

  • from the coronavirus family it was named coronavirus

  • ii the name of the disease covet 19.

  • its organ of choice the lungs it first burst onto the scene

  • [Music]

  • that it is a new disease a disease that this world has not seen before

  • 2020 was a year defined by the virus three months was all it took to spread

  • all over the map terrorizing and making headlines around

  • the world but taiwan also made news around the

  • world for beating it the covet 19 crisis

  • has reminded us all that taiwan has a great deal to be proud of on the world

  • stage

  • zero community infections since april 12th

  • seven deaths total

  • my name is grace leo i'm a journalist to find out how border control is fighting

  • the battle i have invited adam lang a former

  • medical officer at taiwan centers for disease control to join me

  • in investigating what goes on here at taiwan's first line of defense

  • this is taiwan's taoio international airport the entry port to taiwan

  • there are direct flights from muhan china every day the trip is merely two

  • and a half hour allen meets jolene luo a registered

  • nurse and cdc quarantine officer on the battlefront

  • have the dangerous job of interviewing passengers arriving in taiwan

  • already showing symptoms of covet 19.

  • [Music] gloves masks goggles gowns

  • everyone covers as much of themselves as possible to prevent getting infected in

  • case any of these passengers are carriers of the highly contagious

  • disease

  • [Music]

  • foreign [Music]

  • anyone arriving in taiwan feeling unwell receives a test

  • right away

  • [Music]

  • talks with frontline medical teams grace liao a journalist with 30 years of

  • experience meets with chen zhong yen deputy

  • director of the central epidemic command center

  • to see how coronavirus testing is conducted at the airport

  • certainly

  • foreign

  • foreign [Music]

  • [Music] the test result for one of the

  • passengers came back positive and the person was immediately taken to

  • a hospital [Music]

  • uh

  • [Music]

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  • before passengers even land in taiwan epidemic control measures are already in

  • place for passengers to let the cdc know that they've arrived

  • this is the first firewall to shut out the virus

  • [Music]

  • before you even board onto the plan you have to go to the website of ministry of

  • health and welfare filled up forms that tells the

  • government where you have been to what symptoms you have over the past weeks

  • and where you're gonna be home calling things after you're right

  • checking in with the cdc is as simple as scanning the code

  • and tapping the green button people who don't have a working cell phone in

  • taiwan can rent one for 14 days of quarantine

  • for 60 new taiwan dollars or just over 2 us dollars a day

  • when kobe 19 started to spread in ouhan it was the worst timing for us

  • it was a lunar new year when people travel home for holidays

  • when taiwanese businessmen and their families will return to taiwan

  • at that time taiwan was possibly the area most at risk of an epidemic

  • outside of mainland china but taiwan was able to prevent kobe 19 from

  • taking over the island surprising the world

  • the odds were against taiwan both in terms of timing and due to its exclusion

  • from the world's foremost public health body

  • they were not receiving information from you know official

  • multilateral sources and so they were left to their own devices

  • then they detected that there was some social media flurry that was going on

  • in wuhan last december 31st and we found that it is an emerging

  • and unexpected danger situation so we sent email to world health

  • organization and china cdc on the same day we already

  • started our border control for all this and

  • direct inbound passengers from wuhan

  • how was the government able to set up efficient safeguards against the virus

  • so quickly so early on grace talks to president

  • if you successfully pass this checkpoint welcome to taiwan

  • this is really one of the world's most secure airports

  • not by police power but by epidemic prevention power

  • next when kova does get past the tightest epidemic airport security

  • measures in the world what happens a taxi driver gets infected

  • by a passenger who had just returned from china

  • and spreads it to his family causing the first community outbreak in taiwan

  • epidemic investigators scrambled to find out where the virus came from

  • and how to contain the outbreak the bubonic plague smallpox influenza

  • and now covid disease has been man's number one killer throughout history

  • killing millions and wiping out massive portions of the population at a time

  • in the 1800s there was an outbreak of cholera

  • the field of epidemiology and public health arose

  • partly to investigate how the disease spreads

  • human beings have been fighting disease since before history was recorded

  • but grace liao and alan lien are finding that public health as a field of study

  • has been around for less than 200 years ever since then humans have been

  • struggling to catch up with diseases in less than 100 days it had made its

  • way to every single continent except antarctica

  • no virus has ever traveled so quickly january 2020 in central taiwan over the

  • lunar new year holiday a taxi driver thought he might have

  • caught a cold

  • wonderland

  • the symptoms got worse and he was rushed to the hospital emergency

  • room where he was tested for covet-19

  • test results came back the day he died showing that he was positive for the

  • virus family members were heartbroken over the

  • loss of their loved one but their ordeal was only just beginning

  • they also tested positive taiwan was in danger of

  • a major outbreak before all the border control measures

  • were in place the virus had crept in claiming its first victim and causing

  • the first community infection in the country

  • but who gave the virus to the taxi driver

  • and who else could have been infected this is a cdc medical officer

  • and an old colleague of allen liens he updates alan on what the job now

  • requires and how he traced the driver's contacts

  • authorities quickly opened an investigation to uncover

  • and contain the outbreak in central taiwan

  • [Music]

  • [Music]

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  • foreign

  • to facilitate contact tracing police provided phone records of the driver

  • and the team cross-referenced calls made from near the airport and hotels

  • with medical records from the national health insurance administration

  • by 4 pm that day they had narrowed their search down to

  • 3 people any one of whom could have been patient zero

  • xuja bing creates a timeline looking at the driver's 14-day incubation period

  • on january 22nd the driver had been to the airport to pick up a man returning

  • from china and this man's health insurance data

  • shows several visits to the doctor [Music]

  • oh

  • the results came back negative

  • grace asks a leading expert on infectious diseases

  • also the chairman of the cecc expert consultation committee

  • why

  • all the missing pieces were found outbreak contained

  • epidemic investigation case closed it seemed kovat 19 had met a dead end

  • but it quickly found an even better strategy

  • the trojan horse next a cruise liner of more than 3 000

  • vacationers potentially infected with the new coronavirus

  • lands in taiwan no one knew about the infections

  • until after they'd been all over taipei the border controls had been breached

  • once again putting taiwan's contact tracing to the

  • test on a much larger scale this time taiwan has to

  • resort to technology and big data to pinpoint potentially

  • infected people and avoid a lockdown

  • the new virus that causes covet 19 is from the coronavirus family

  • corona is latin for crown which despite proteins on the virus resembled

  • food

  • [Music]

  • wherever people are in close contact the virus spreads fast

  • in 14 days sars kovi ii infected one-fifth of all the passengers on the

  • diamond princess cruise ship my joshua and his father were on the

  • disease-stricken cruise liner and recalled the horror

  • oh yeah sure how this is the whole joke is you're the my

  • mother cause oh yeah

  • warren teamed off the port of yokohama in japan

  • this was the diamond princess in february when it was confirmed that a

  • passenger who had got off the ship in hong kong

  • tested positive for covet 19. [Music]

  • more than 3 000 people were ordered to stay in their cabins

  • no one could leave the ship 2019

  • among the more than 700 passengers who contracted the virus before being taken

  • to hospitals in japan but before the ship became a diseased

  • vessel that port authorities refused docking permission

  • it had made a stop in taiwan where more than three thousand passengers and crew

  • got off to explore taipei

  • santiago

  • foreign

  • the virus played the oldest trick in the book the trojan horse

  • and taiwan countered by using big data technology

  • grace heads to the executive yuan's department of cyber security

  • to find out how the strategy worked and how contact tracing for thousands of

  • people at a time was carried out using cell phone signals

  • cross referencing cell phone signals originating on the diamond princess's

  • path of travel during its time in taiwan they were able to narrow down the search

  • to about 3 000 numbers the cell phone signals were then back

  • traced data experts found more than 30 places where the vacationers stayed for

  • more than half an hour and cross preference that with local

  • cell phone number signals that stayed for more than five minutes

  • within a 500 meter radius to find people that could have been

  • exposed [Music]

  • to science

  • [Music] if any of the and twenty thousand people

  • became ill and went to see a doctor in the

  • following weeks since potential contact with the diamond princess passengers

  • they would be automatically flagged by the system

  • tomorrow

  • head of the cyber security department and a physician trained in public health

  • in may he co-authored a paper published in the journal of medical internet

  • research on how taiwan used big data analytics to

  • prevent a massive community outbreak [Music]

  • look at how contact tracing can track down people

  • i'm here to find out if big data and ai can track down virus too

  • this is a phylogenetic tree of all known cases of sars cov2

  • with genetic sequencing it traces the ancestry and mutations of the virus

  • to help speed up the search for better treatments

  • at this artificial intelligence lab machine learning is also applied to the

  • diagnosis of covid19 chest x-rays were given to the ai system

  • to learn what pneumonia looks like this is an x-ray of a sick patient

  • pneumonia

  • has

  • with a virus that mutates so quickly it's a race against time

  • if machine learning can help accelerate the speed at which humans respond for

  • diagnosis and treatment the war may tilt in our favor but the

  • battle fire is still raging and people are returning

  • to taiwan infected with the new coronavirus next

  • a young woman with covet 19 comes back from spain

  • she has treated at a busy hospital for more than a month

  • could the virus have found another opportunity to cause an outbreak

  • the fight continues to be out there to give me gender

  • how one

  • a virus that causes respiratory illnesses the new coronavirus

  • often attacks the lungs often resulting in pneumonia

  • now your evil

  • [Music]

  • to find out how covet 19 patients are treated grace liao and

  • alan lien visit a hospital where they also learn how cluster infections are

  • prevented after the painful experience with sars

  • many years ago hospital security against infectious

  • diseases were tightened and a new firewall was created and then

  • the firework is in this piece of prasik the national

  • health insurance card information including the

  • name of the hospital visited and the prescriptions prescribed are stored on

  • this card this is how the system can flag and keep

  • track of flagged patients this is rita chao a young woman who is

  • studying in spain but in march 2020 when her cold seemed

  • to not go away she decided