About polio results of 194

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What Happened After Polio Vaccine Was Developed12:38

What Happened After Polio Vaccine Was Developed

17
B2
The iron lung and the fight to end polio02:20

The iron lung and the fight to end polio

32
B1
How Have We Almost Eradicated Polio?06:08

How Have We Almost Eradicated Polio?

111
B2
The Boys - You Played My Butt Like Jazz (S1E5) | Movieclips02:00

The Boys - You Played My Butt Like Jazz (S1E5) | Movieclips

14
B1
What Is A Tumor?04:38

What Is A Tumor?

230
B2
Why Can't We Eradicate Disease?02:16

Why Can't We Eradicate Disease?

186
B2
This Man Spent 71 Years in this Iron Lung10:06

This Man Spent 71 Years in this Iron Lung

B1
Pakistan: Two vaccines approved, mass trials for CanSinoBio | DW News06:00

Pakistan: Two vaccines approved, mass trials for CanSinoBio | DW News

6
B2
The woman whose cells never die - 6 Minute English06:18

The woman whose cells never die - 6 Minute English

31
B1
The Disabled President of the United States [CC]18:19

The Disabled President of the United States [CC]

4
B1
Vaccines 101: What will it take to develop an HIV vaccine?05:13

Vaccines 101: What will it take to develop an HIV vaccine?

107
B2
How Anti-Vaxxer’s Logical Fallacies Brought Measles Back, a Fool House Rock | NYT Opinion04:33

How Anti-Vaxxer’s Logical Fallacies Brought Measles Back, a Fool House Rock | NYT Opinion

3
B1
The Shocking Reason Doctors HATED Washing Their Hands🧼12:08

The Shocking Reason Doctors HATED Washing Their Hands🧼

1656
B2
Larry Page's University of Michigan commencement address16:29

Larry Page's University of Michigan commencement address

78
A1
Engineered Viruses Are the New Biological Weapons, Here's What You Need to Know09:19

Engineered Viruses Are the New Biological Weapons, Here's What You Need to Know

9
B2
The actual problem with vaccines09:39

The actual problem with vaccines

17
B2
Lookahead: The global health challenges in 2021 - BBC News03:01

Lookahead: The global health challenges in 2021 - BBC News

18
B1
A vaccine for cancer ⏲️ 6 Minute English06:17

A vaccine for cancer ⏲️ 6 Minute English

10684
B1
★TETRIS CANDY★ ぷよぷよとテトリスのグミをみつけた！02:49

★TETRIS CANDY★ ぷよぷよとテトリスのグミをみつけた！

6
A2
Discussing Current Affairs or Talking about the news - English Conversation Lesson03:43

Discussing Current Affairs or Talking about the news - English Conversation Lesson

53
A2
医師だけど「ワクチン」について質問ある？| Tech Support | WIRED Japan25:17

医師だけど「ワクチン」について質問ある？| Tech Support | WIRED Japan

13
B2
Highlights from Trump's freewheeling Mar-a-Lago presser02:55

Highlights from Trump's freewheeling Mar-a-Lago presser

68
A2
The perils of developing a vaccine at warp speed | CNBC Explains09:03

The perils of developing a vaccine at warp speed | CNBC Explains

26
B2
Silicon Valley Season 3, Ep. 1: My Aviato? (HBO)01:12

Silicon Valley Season 3, Ep. 1: My Aviato? (HBO)

81
A2
What If EVERYONE Got the COVID-19 Vaccine?04:20

What If EVERYONE Got the COVID-19 Vaccine?

37
B2
What would a world without vaccines be like? | BBC Ideas05:55

What would a world without vaccines be like? | BBC Ideas

23
B1
STARTUP EP 07 | The Techlead13:35

STARTUP EP 07 | The Techlead

24
B1
The History Of Vaccines And Why Sales Are Rising18:01

The History Of Vaccines And Why Sales Are Rising

21
B2
Bill Gates: The Vaccines Offer Americans A Chance To Return To Normal Life08:58

Bill Gates: The Vaccines Offer Americans A Chance To Return To Normal Life

5
B1
Why children get so many vaccines08:43

Why children get so many vaccines

2703
B2
10/12/23: Mental Health & Social Media09:40

10/12/23: Mental Health & Social Media

14
B1
VÍDEO DEL PP CON MOTIVO DEL DÍA DE LA MUJER04:40

VÍDEO DEL PP CON MOTIVO DEL DÍA DE LA MUJER

3
B2
Could a Vaccine Prevent Type 1 Diabetes?04:44

Could a Vaccine Prevent Type 1 Diabetes?

15
B1
How does the United Nations work? | RMIT University01:56

How does the United Nations work? | RMIT University

227
B1
Parenthood (10/12) Movie CLIP - Who's a Shi**y Father? (1989) HD03:28

Parenthood (10/12) Movie CLIP - Who's a Shi**y Father? (1989) HD

32
A2
Should you get Vaccinated?02:06

Should you get Vaccinated?

745
B2
Learn how to describe body parts in Korean | Super Easy Korean 2004:43

Learn how to describe body parts in Korean | Super Easy Korean 20

8
B2
Science Has Ruined Spider-Man02:42

Science Has Ruined Spider-Man

47
B2
#MyCalabash - Foodland Farms Pulehu Steak with Spicy Sambal Hamakua Mushrooms08:10

#MyCalabash - Foodland Farms Pulehu Steak with Spicy Sambal Hamakua Mushrooms

3
B1
How The Toilet Changed History07:15

How The Toilet Changed History

8709
B2
Breaking Down CDC Guidance On Sending Kids Back To School03:42

Breaking Down CDC Guidance On Sending Kids Back To School

22
B2
Breakingviews TV: Vaccine boom01:59

Breakingviews TV: Vaccine boom

13
B2
Good Will Hunting (8/12) Movie CLIP - Direction & Manipulation (1997) HD02:43

Good Will Hunting (8/12) Movie CLIP - Direction & Manipulation (1997) HD

17
B1
Coronavirus in hindi || Latest health news || कोरोना वायरस का इलाज || 1mg02:58

Coronavirus in hindi || Latest health news || कोरोना वायरस का इलाज || 1mg

7
B1
What's the Truth Behind Vaccines?02:31

What's the Truth Behind Vaccines?

55
B2
OD4 U11 Understand Viruses04:17

OD4 U11 Understand Viruses

17
B1