The next outbreak? We’re not ready | Bill Gates | TED

37,959,394 views ・ 2015-04-03

TED


Please double-click on the English subtitles below to play the video.

00:17
When I was a kid,
0
17504
1894
00:19
the disaster we worried about most was a nuclear war.
1
19398
3561
00:23
That's why we had a barrel like this down in our basement,
2
23819
3266
00:27
filled with cans of food and water.
3
27085
2571
00:30
When the nuclear attack came,
4
30256
1645
00:31
we were supposed to go downstairs, hunker down, and eat out of that barrel.
5
31901
4736
00:37
Today the greatest risk of global catastrophe
6
37877
3720
00:41
doesn't look like this.
7
41597
2860
00:44
Instead, it looks like this.
8
44457
2781
00:48
If anything kills over 10 million people in the next few decades,
9
48438
5491
00:53
it's most likely to be a highly infectious virus
10
53929
3385
00:57
rather than a war.
11
57314
2478
00:59
Not missiles, but microbes.
12
59792
3887
01:03
Now, part of the reason for this is that
13
63679
2199
01:05
we've invested a huge amount in nuclear deterrents.
14
65878
4203
01:10
But we've actually invested very little in a system to stop an epidemic.
15
70081
5098
01:16
We're not ready for the next epidemic.
16
76129
2964
01:20
Let's look at Ebola.
17
80023
1735
01:21
I'm sure all of you read about it in the newspaper,
18
81758
3857
01:25
lots of tough challenges.
19
85615
1606
01:27
I followed it carefully through the case analysis tools
20
87221
3655
01:30
we use to track polio eradication.
21
90876
4845
01:35
And as you look at what went on,
22
95721
1852
01:37
the problem wasn't that there was a system that didn't work well enough,
23
97573
4508
01:42
the problem was that we didn't have a system at all.
24
102081
3568
01:46
In fact, there's some pretty obvious key missing pieces.
25
106589
4439
01:51
We didn't have a group of epidemiologists ready to go, who would have gone,
26
111028
4912
01:55
seen what the disease was, seen how far it had spread.
27
115940
3756
01:59
The case reports came in on paper.
28
119696
2756
02:02
It was very delayed before they were put online
29
122452
2356
02:04
and they were extremely inaccurate.
30
124808
1974
02:07
We didn't have a medical team ready to go.
31
127492
2366
02:09
We didn't have a way of preparing people.
32
129858
2595
02:12
Now, Médecins Sans Frontières did a great job orchestrating volunteers.
33
132453
5331
02:17
But even so, we were far slower than we should have been
34
137784
3096
02:20
getting the thousands of workers into these countries.
35
140880
3142
02:24
And a large epidemic would require us to have hundreds of thousands of workers.
36
144022
6985
02:32
There was no one there to look at treatment approaches.
37
152752
4403
02:37
No one to look at the diagnostics.
38
157155
1791
02:38
No one to figure out what tools should be used.
39
158946
3297
02:42
As an example, we could have taken the blood of survivors,
40
162243
3480
02:45
processed it, and put that plasma back in people to protect them.
41
165723
5435
02:51
But that was never tried.
42
171158
2606
02:53
So there was a lot that was missing.
43
173764
1756
02:55
And these things are really a global failure.
44
175520
3895
03:00
The WHO is funded to monitor epidemics, but not to do these things I talked about.
45
180305
5568
03:07
Now, in the movies it's quite different.
46
187049
2793
03:09
There's a group of handsome epidemiologists ready to go,
47
189842
4832
03:14
they move in, they save the day, but that's just pure Hollywood.
48
194674
5772
03:22
The failure to prepare could allow the next epidemic
49
202177
3710
03:25
to be dramatically more devastating than Ebola
50
205887
3808
03:30
Let's look at the progression of Ebola over this year.
51
210735
4796
03:36
About 10,000 people died,
52
216311
2838
03:39
and nearly all were in the three West African countries.
53
219149
4697
03:43
There's three reasons why it didn't spread more.
54
223846
2587
03:46
The first is that there was a lot of heroic work by the health workers.
55
226433
4441
03:50
They found the people and they prevented more infections.
56
230874
3262
03:54
The second is the nature of the virus.
57
234136
2485
03:56
Ebola does not spread through the air.
58
236621
3076
03:59
And by the time you're contagious,
59
239697
2113
04:01
most people are so sick that they're bedridden.
60
241810
2740
04:06
Third, it didn't get into many urban areas.
61
246220
4191
04:10
And that was just luck.
62
250411
1704
04:12
If it had gotten into a lot more urban areas,
63
252115
2240
04:14
the case numbers would have been much larger.
64
254355
3522
04:17
So next time, we might not be so lucky.
65
257877
3589
04:21
You can have a virus where people feel well enough while they're infectious
66
261466
5064
04:26
that they get on a plane or they go to a market.
67
266530
3312
04:29
The source of the virus could be a natural epidemic like Ebola,
68
269842
3004
04:32
or it could be bioterrorism.
69
272846
1980
04:34
So there are things that would literally make things a thousand times worse.
70
274826
4648
04:39
In fact, let's look at a model of a virus spread through the air,
71
279474
6001
04:45
like the Spanish Flu back in 1918.
72
285475
3595
04:49
So here's what would happen:
73
289630
1930
04:51
It would spread throughout the world very, very quickly.
74
291560
3998
04:55
And you can see over 30 million people died from that epidemic.
75
295558
5125
05:00
So this is a serious problem.
76
300683
1813
05:02
We should be concerned.
77
302496
1761
05:04
But in fact, we can build a really good response system.
78
304257
4435
05:08
We have the benefits of all the science and technology that we talk about here.
79
308692
5144
05:13
We've got cell phones
80
313836
1047
05:14
to get information from the public and get information out to them.
81
314883
3257
05:18
We have satellite maps where we can see where people are and where they're moving.
82
318140
4179
05:22
We have advances in biology
83
322319
2308
05:24
that should dramatically change the turnaround time to look at a pathogen
84
324627
3826
05:28
and be able to make drugs and vaccines that fit for that pathogen.
85
328453
4869
05:33
So we can have tools,
86
333322
1566
05:34
but those tools need to be put into an overall global health system.
87
334888
4612
05:39
And we need preparedness.
88
339500
2293
05:41
The best lessons, I think, on how to get prepared
89
341793
2464
05:44
are again, what we do for war.
90
344257
2501
05:46
For soldiers, we have full-time, waiting to go.
91
346758
4247
05:51
We have reserves that can scale us up to large numbers.
92
351005
3311
05:54
NATO has a mobile unit that can deploy very rapidly.
93
354316
3689
05:58
NATO does a lot of war games to check, are people well trained?
94
358005
3450
06:01
Do they understand about fuel and logistics
95
361455
2428
06:03
and the same radio frequencies?
96
363883
2358
06:06
So they are absolutely ready to go.
97
366241
2538
06:08
So those are the kinds of things we need to deal with an epidemic.
98
368779
4355
06:13
What are the key pieces?
99
373134
2167
06:15
First, we need strong health systems in poor countries.
100
375301
5290
06:20
That's where mothers can give birth safely,
101
380591
3187
06:23
kids can get all their vaccines.
102
383778
1517
06:25
But, also where we'll see the outbreak very early on.
103
385295
4339
06:30
We need a medical reserve corps:
104
390154
1781
06:31
lots of people who've got the training and background
105
391935
2566
06:34
who are ready to go, with the expertise.
106
394501
3352
06:37
And then we need to pair those medical people with the military.
107
397853
4413
06:42
taking advantage of the military's ability to move fast, do logistics
108
402266
4151
06:46
and secure areas.
109
406417
1803
06:48
We need to do simulations,
110
408220
2909
06:51
germ games, not war games, so that we see where the holes are.
111
411129
4798
06:55
The last time a germ game was done in the United States
112
415927
2796
06:58
was back in 2001, and it didn't go so well.
113
418723
3720
07:02
So far the score is germs: 1, people: 0.
114
422453
5037
07:07
Finally, we need lots of advanced R&D in areas of vaccines and diagnostics.
115
427490
6119
07:13
There are some big breakthroughs, like the Adeno-associated virus,
116
433609
3637
07:17
that could work very, very quickly.
117
437246
3983
07:21
Now I don't have an exact budget for what this would cost,
118
441229
3370
07:24
but I'm quite sure it's very modest compared to the potential harm.
119
444599
4496
07:29
The World Bank estimates that if we have a worldwide flu epidemic,
120
449095
4645
07:33
global wealth will go down by over three trillion dollars
121
453740
3725
07:37
and we'd have millions and millions of deaths.
122
457465
3867
07:41
These investments offer significant benefits
123
461332
2985
07:44
beyond just being ready for the epidemic.
124
464317
2201
07:46
The primary healthcare, the R&D,
125
466518
2464
07:48
those things would reduce global health equity
126
468982
2830
07:51
and make the world more just as well as more safe.
127
471812
3690
07:55
So I think this should absolutely be a priority.
128
475502
3362
07:59
There's no need to panic.
129
479514
1466
08:00
We don't have to hoard cans of spaghetti or go down into the basement.
130
480980
4489
08:05
But we need to get going, because time is not on our side.
131
485469
3840
08:09
In fact, if there's one positive thing that can come out of the Ebola epidemic,
132
489309
6215
08:15
it's that it can serve as an early warning, a wake-up call, to get ready.
133
495524
5806
08:21
If we start now, we can be ready for the next epidemic.
134
501330
5648
08:26
Thank you.
135
506978
1596
08:28
(Applause)
136
508574
3294
About this website

This site will introduce you to YouTube videos that are useful for learning English. You will see English lessons taught by top-notch teachers from around the world. Double-click on the English subtitles displayed on each video page to play the video from there. The subtitles scroll in sync with the video playback. If you have any comments or requests, please contact us using this contact form.

https://forms.gle/WvT1wiN1qDtmnspy7