結果 : when did covid 19 vaccine discovered

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7:01

What happens after a Covid-19 vaccine is found?

Channel 4 News
39,039 回視聴 - 4 年前
5:27

Inside The Process Of Creating The COVID-19 Vaccine | NBC News NOW

NBC News
94,160 回視聴 - 4 年前
4:15

How A Covid-19 Vaccine Is Developed And Approved Tor The Public | NBC News NOW

NBC News
16,186 回視聴 - 4 年前
2:11

COVID-19: New variant discovered in UK as vaccine rollout hits milestone

Sky News
309,407 回視聴 - 3 年前
4:00

How the world rapidly developed a Covid-19 vaccine

CNBC Television
681,658 回視聴 - 3 年前
2:57

COVID-19: How a vaccine was developed so quickly

Sky News
47,697 回視聴 - 4 年前
7:01

We need a vaccine to vanquish COVID-19. Here's how scientists are trying to find it

PBS NewsHour
13,382 回視聴 - 4 年前
12:33

Are COVID Vaccines Really Safe? How Scientists Developed a Safe Vaccine in Months - TLDR News

TLDR News
83,349 回視聴 - 4 年前
13:31

How the Pfizer-BioNTech COVID-19 vaccine was developed

60 Minutes
876,401 回視聴 - 4 年前
11:51

Inside the Lab That Invented the COVID-19 Vaccine

Be Smart
2,101,430 回視聴 - 4 年前
2:31

How research into a COVID-19 vaccine could lead to a host of other health innovations | ABC News

ABC News (Australia)
21,096 回視聴 - 4 年前
3:29

Pfizer's Covid-19 vaccine appears to stop variants found in U.K., South Africa

CNBC Television
23,551 回視聴 - 3 年前
5:52

Coronavirus vaccine checkup: How close is a vaccine to being developed?

Yahoo Finance
30,251 回視聴 - 4 年前
1:51

UK to start production of experimental COVID-19 vaccine by Oxford | World News

WION
128,811 回視聴 - 4 年前
25:00

When will a COVID-19 Vaccine be available? and who will get it first?

WION
16,028 回視聴 - 4 年前
6:05

Is A Safe COVID-19 Vaccine By 2021 Really Possible?

CNA Insider
180,188 回視聴 - 4 年前
25:16

How close are we to a COVID-19 vaccine? | Inside Story

Al Jazeera English
12,626 回視聴 - 4 年前
7:34

Are We On Track to Have A COVID-19 Vaccine by 2021?

Seeker
110,945 回視聴 - 4 年前
0:53

How can this vaccine be safe when it was created so quickly? | American Academy of Pediatrics (AAP)

American Academy of Pediatrics
176,054 回視聴 - 3 年前
4:07

WHO on a COVID-19 Vaccine and Treatment

United Nations
69,931 回視聴 - 4 年前