結果 : when was first covid 19 vaccine discovered

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2:34

Russia claims to have developed first COVID-19 vaccine | Sputnik

WION
98,385 回視聴 - 4 年前
2:06

Russia reportedly completes world's first COVID-19 vaccine human trials

Arirang News
490,252 回視聴 - 4 年前
2:26

Canada's 1st COVID-19 vaccine arrives

CBC News: The National
115,291 回視聴 - 4 年前
1:55

U.K. Becomes First Country To Approve Pfizer, BioNTech Covid Vaccine | NBC Nightly News

NBC News
77,321 回視聴 - 4 年前
1:15

Italy claims first COVID-19 vaccine | Vaccine works on Humans | Covid 19 Vaccine | World News | Wion

WION
1,098,237 回視聴 - 4 年前
3:43

Who Will Get The COVID-19 Vaccine First? And Why? | Science Desk/COVID Explainers | NPR

NPR
124,528 回視聴 - 4 年前
1:30

The first human trial of a #COVID19 #vaccine in Europe

UKRI Stories
17,657 回視聴 - 4 年前
2:23

Almost 2 million Americans received first dose of COVID-19 vaccine

ABC News
281,396 回視聴 - 4 年前
4:18

Russia claims to have developed 'first' coronavirus vaccine

Al Jazeera English
21,434 回視聴 - 4 年前
5:01

Covid-19: How close are we to a vaccine and who will get it first?

FRANCE 24 English
243,230 回視聴 - 4 年前
7:19

Announcement of South Africa's first Covid 19 vaccine trial

Wits University OFFICIAL
51,129 回視聴 - 4 年前
7:22

Which Canadians would get the COVID-19 vaccine first?

CBC News
196,791 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
4:11

Who will get the COVID-19 vaccine first? Doctors weigh in

ABC7 News Bay Area
12,618 回視聴 - 4 年前
1:44

Africa's first mRNA COVID-19 vaccine uses Moderna data

Reuters
63,625 回視聴 - 2 年前
3:23

Russia Claims Successful Trials Of World’s First COVID-19 Vaccine, Is The Euphoria Unfounded?

moneycontrol
69,192 回視聴 - 4 年前
8:42

COVID-19 vaccine shows positive results in first phase of human trials

CBC News
130,282 回視聴 - 4 年前
2:25

First human trials of potential coronavirus vaccine developed in Adelaide about to begin | ABC News

ABC News (Australia)
48,148 回視聴 - 4 年前
44:40

Injection of Hope: The hunt for a COVID-19 vaccine | Four Corners

ABC News In-depth
103,556 回視聴 - 4 年前
4:05

90-year-old grandma becomes first to receive Pfizer COVID-19 vaccine

ABC News
97,801 回視聴 - 4 年前