4 epidemics that almost happened (but didn't) - George Zaidan

393,819 views ・ 2023-05-23

TED-Ed


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譯者: 麗玲 辛 審譯者: Helen Chang
00:07
Ebola is one of the deadliest viruses we know of.
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伊波拉病毒是我們所知 最致命的病毒之一。
00:10
If left untreated, it kills about half of those it infects.
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如果不加以治療, 大約一半的感染者會身亡。
00:14
It can spread through pretty much every fluid your body makes,
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病毒會透過幾乎所有 身體產生的液體傳播,
00:17
including blood and sweat.
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包括血液和汗液。
00:20
Even the dead can transmit the disease, often doing so at their own funerals.
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即使死者也可以傳播這種疾病, 通常是在他們的葬禮上傳播。
00:25
On December 26th, 2013, a two-year-old boy in southern Guinea got sick.
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2013 年 12 月 26 日, 幾內亞南部一名兩歲男童患病。
00:32
Just two days later, he died.
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僅僅兩天后,他就去世了。
00:35
It took local doctors working with the international community
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當地醫生與國際社會合作四個月後
00:38
four months to discover that Ebola was to blame,
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才發現罪魁禍首是伊波拉病毒,
00:41
largely because it had never before been detected outside of Central Africa.
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這主要是因為此前從未 在中非以外地區發現過這種病毒。
00:47
In those four months, Ebola gained a head start that would prove devastating.
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在那四個月裡,伊波拉取得先機, 後來證實這是毀滅性的原因。
00:52
The outbreak lasted two years
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疫情持續了兩年,
00:54
and mushroomed into the largest Ebola epidemic in recorded history.
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迅速發展成有記錄以來 規模最大的伊波拉疫情。
00:59
More than 28,000 people contracted the disease and over 11,000 died.
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逾二萬八千人感染, 超過一萬一千人死亡。
01:06
In 2013, Guinea had no formal emergency response system,
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2013 年,幾內亞並沒有 正式的緊急應變系統,
01:12
few trained contact tracers, and no rapid tests,
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受訓的接觸者追踪人員很少, 也沒有快速檢測方式、
01:15
border screenings, or licensed vaccine for Ebola.
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邊境檢疫或批准的伊波拉疫苗。
01:19
After that epidemic, Guinea,
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在那次疫情之後,幾內亞
01:21
with the support of the US and other international partners,
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在美國和其他國際夥伴的支持下,
01:24
completely overhauled their epidemic response system.
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徹底改革了他們的疫情應變系統。
01:28
And in January 2021, that system faced its first real test.
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2021 年 1 月,該系統第一次 面臨真正的考驗。
01:34
It started when a nurse in southern Guinea developed a headache, vomiting, and fever.
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首先是幾內亞南部的一名護士 出現頭痛、嘔吐和發燒。
01:40
A few days later, she died.
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幾天后,她過世。
01:42
As dictated by traditional burial practices,
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按照傳統的葬禮習俗,
01:45
her family prepared her body for the funeral.
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家人為了葬禮整理遺體。
01:48
Within a week, the nurse’s husband and other family members
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一週內,護士的丈夫和其他家庭成員
01:51
started experiencing symptoms.
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開始出現症狀。
01:54
Health officials suspected Ebola much quicker than in 2013 and ordered tests.
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比起 2013 年,衛生官員很快懷疑 是伊波拉病毒,並下令進行檢測。
02:00
They came back positive,
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結果呈陽性,
02:01
and Guinea activated its epidemic alert system the next day.
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幾內亞隔天就啟動疫情警報系統。
02:06
Then, lots of things happened very quickly.
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然後,事情進展得很快。
02:09
Guinea’s National Agency for Health Security
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幾內亞的國家衛生安全局啟動了
02:12
activated 38 district-level emergency operations centers,
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38 個地區級緊急應變中心,
02:16
as well as a national one.
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以及一個國家級緊急應變中心。
02:18
Teams of epidemiologists and contact tracers began the painstaking job
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流行病學家和接觸者追踪人員 開始了一項艱鉅的工作,
02:23
of figuring out exactly who was exposed and when,
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準確地確定誰在何時接觸過病毒,
02:26
generating a list of 23 initial contacts that quickly grew to over 1,100.
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並列出 23 名初始接觸者的名單, 該名單很快增加到一千一百多人。
02:33
Advanced rapid testing capacity spun up in the city where the outbreak started.
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有疫情的城市迅速建立了 先進的快速檢測能力。
02:38
At Guinea’s borders with Liberia and Cote d’Ivoire,
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在幾內亞與利比里亞 和科特迪瓦的邊界,
02:41
public health workers screened more than 2 million travelers.
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公共衛生工作者對超過 二百萬旅客進行了篩查。
02:45
A large-scale vaccination campaign was started.
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大規模的疫苗接種計畫開始。
02:48
And, finally, more than 900 community mobilizers
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最後,超過九百名社區動員者
02:51
alerted people of the outbreak
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提醒人們注意疫情,
02:53
and suggested alternative burial practices that were acceptable to the community
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並建議民眾採用 可接受的替代埋葬方式,
02:58
and reduced the risk of spreading Ebola.
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降低傳播伊波拉病毒的風險。
03:02
Thanks to all these measures,
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由於以上這些措施,
03:04
the 2021 outbreak ended just four months after it began.
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2021 年的疫情 短短四個月就結束了。
03:09
Only 23 people contracted Ebola; only 12 died.
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只有 23 人感染了伊波拉病毒; 只有 12 人死亡。
03:13
That's less than 1% of the deaths in the prior outbreak.
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這還不到上一次爆發時 死亡人數的 1%。
03:18
The 2021 outbreak cost $100 million to control—
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2021 年的疫情控制成本 為一億美元——
03:23
which sounds like a lot but pales in comparison
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聽起來很多,但與上一次疫情相比,
03:27
to the global economic cost of the previous outbreak:
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全球經濟成本 530 億美元, 就相形見絀了。
03:30
$53 billion.
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03:33
So should every country just copy Guinea’s approach?
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每個國家都應該效仿幾內亞的做法嗎?
03:38
Not exactly.
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不盡然。
03:39
It is always important to respond to an outbreak quickly,
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快速應對疫情很重要,
03:43
so an early warning system is essential.
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因此預警系統必不可少。
03:46
But beyond that, a successful response can look very different
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但除此之外,不同國家對不同疾病,
03:49
for different diseases in different countries.
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有效的應對措施可能很不一樣。
03:52
For example, Brazil quenched an outbreak of yellow fever,
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例如,為了遏制 由蚊子傳播的黃熱病疫情,
03:56
which is spread by mosquitoes,
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03:58
primarily by mounting a massive vaccination campaign.
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巴西主要進行大規模疫苗接種計畫。
04:02
That strategy worked well for Brazil
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該策略對巴西很有效,
04:04
because it’s one of the major global producers of the yellow fever vaccine,
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因為它是全球主要的 黃熱病疫苗生產國之一,
04:08
and its population was accustomed to regular, routine vaccinations.
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而且其人口習慣於定期接種疫苗。
04:13
But for many diseases, you don't even need a mass vaccination program.
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但許多疾病甚至不需要 大規模的疫苗接種計劃。
04:17
In August of 2021, a truck driver tested positive for cholera in Burkina Faso.
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2021 年 8 月,一名卡車司機 在布基納法索檢測霍亂呈陽性。
04:24
Health care workers alerted the government that same day
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衛生保健工作者在同一天 向政府發出警報,
04:27
and contact tracing began immediately.
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並立即開始追踪接觸者。
04:30
Cholera is caused by a bacterium,
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霍亂是由細菌引起的,
04:33
so Burkina Faso gave antibiotics to those exposed or potentially exposed.
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因此佈基納法索提供抗生素 給接觸者或可能接觸霍亂的人。
04:38
This extremely fast response stopped the outbreak
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這樣極其快速的反應 在疫情開始幾週後就阻止了疫情。
04:42
just a few weeks after it started.
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04:45
Cholera often rears its head in West Africa—
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霍亂經常在西非現身——
04:48
in 2021, there were over 100,000 cases and more than 3,700 deaths.
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2021 年,霍亂病例逾十萬例, 死亡人數超過三千七百人。
04:55
Because Burkina Faso was so well prepared, they had zero deaths that year.
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由於布基納法索準備充分, 那一年的死亡人數為零。
05:00
Zero.
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零。
05:01
In Chiang Mai, Thailand, health officials piloted
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在泰國清邁,衛生官員試行了
05:05
a community-owned, community-driven outbreak alert system
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一個社區主導、驅動的疫情警報系統
05:08
to monitor animal health—
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來監測動物健康狀況——
05:10
that’s important because some animal outbreaks have the potential
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這很重要,因為有些動物疫情可能蔓延 並演變成人類疫情。
05:13
to spill over and become human outbreaks.
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05:17
Villagers used an app to alert health authorities about outbreaks in animals.
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村民們使用一款應用程序 向衛生當局通報動物疫情。
05:22
Over the course of 16 months, 36 animal outbreaks were identified.
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在 16 個月期間, 確認了 36 起動物疫情。
05:28
For any outbreak response system to be effective,
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任何疫情應對系統想要有效,
05:31
it needs to be trusted, valued, and ultimately used by communities.
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都需要得到社區的 信任、重視並且使用。
05:36
That means reaching people where they are, in the language they speak,
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這意味著在當地, 用他們的語言與人們溝通,
05:40
and aware of the culture, beliefs, and practices with which they live.
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了解當地生活文化、信仰和習俗。
05:45
Perhaps most importantly, we can't expect to do nothing for years
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也許最重要的是, 我們不能指望多年無為而治,
05:49
and then just swing into action when an outbreak occurs.
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在疫情爆發時才立即採取行動。
05:52
One of the best ways to save lives is to invest in lasting health infrastructure,
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挽救生命的最佳方法之一 是投資永續的衛生基礎設施,
05:57
365 days a year, for everyone,
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每年 365 天,保護每個人,
06:01
especially the most vulnerable among us.
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尤其是我們之中最脆弱的人。
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