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E.g. How do mRNA vaccine work?
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Co-administration, dose-interval and interchangeability — en
AZD1222 - Oxford-Astra Zeneca Vaccine — en
mRNA 1273 - Moderna vaccine — en
COMIRNATY® - Pfizer-BioNTech vaccine — en
General questions — en
WHO-specific Q&A — en
Vaccine efficacy and duration of protection — en
Vaccine and infection — en
Safety — en
Regulatory approvals — en
Precautions and contraindications — en
Access and allocation and deployment — en
AZD1222 - Oxford-Astra Zeneca Vaccine
Access and allocation and deployment
COMIRNATY® - Pfizer-BioNTech vaccine
Co-administration, dose-interval and interchangeability
General questions
Precautions and contraindications
Regulatory approvals
Safety
Vaccine and infection
Vaccine efficacy and duration of protection
WHO-specific Q&A
mRNA 1273 - Moderna vaccine
1:41
AZD1222 - Oxford-Astra Zeneca Vaccine
What are the early signals of potential blood clotting events following immunization that people should be aware of?
17
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16/4/2021
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2:15
AZD1222 - Oxford-Astra Zeneca Vaccine
What is Vaccine-Induced Prothrombotic Immune Thrombocytopenia (VIPIT)?
11
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16/4/2021
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1:50
AZD1222 - Oxford-Astra Zeneca Vaccine
If Astra Zeneca (Vaxzevria) vaccination can potentially be linked to rare blood clotting events, is it better to wait to be vaccinated against COVID-19 until another vaccine is available?
12
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17/4/2021
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1:10
AZD1222 - Oxford-Astra Zeneca Vaccine
Can pregnant women receive COVID-19 vaccine AstraZeneca (Vaxzevria)?
2
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15/4/2021
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1:20
AZD1222 - Oxford-Astra Zeneca Vaccine
I have received the AstraZeneca vaccine and I have a headache, should I urgently consult my doctor?
6
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16/4/2021
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1:31
AZD1222 - Oxford-Astra Zeneca Vaccine
Were there any underlying conditions or risk factors in the individuals who suffered from cerebral venous thrombosis after Astra Zeneca (Vaxzevria) vaccination?
11
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17/4/2021
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2:30
AZD1222 - Oxford-Astra Zeneca Vaccine
Why have some countries not resumed Astra Zeneca (Vaxzevria) vaccination campaigns despite WHO, EMA and other regulatory authorities recommending its continued use following investigations of potential side effects?
9
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16/4/2021
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3:44
AZD1222 - Oxford-Astra Zeneca Vaccine
Is Vaxzevria, the Oxford-Astra Zeneca vaccine safe?
250
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16/4/2021
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2:57
AZD1222 - Oxford-Astra Zeneca Vaccine
Is the Astra Zeneca vaccine (Vaxzevria) safe and efficacious to use in people 65 years and older?
254
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17/4/2021
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1:13
Access and allocation and deployment
What if a second dose of Astra Zeneca is not available because the programme has been suspended or there is insufficient supply?
61
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13/4/2021
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0:58
Precautions and contraindications
I am using a hormonal contraceptive method (oral contraceptives, subdermal implant, skin patches or vaginal ring), should I discontinue this treatment before or after receiving AstraZeneca vaccines?
11
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16/4/2021
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2:04
Precautions and contraindications
I have had a blood clot in the past or I have a family history of blood clotting. Should I still get vaccinated against COVID-19?
12
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14/4/2021
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2:53
Precautions and contraindications
Are there any chronic hematological diseases that would be a contraindication for COVID-19 vaccination?
10
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13/4/2021
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1:13
Safety
What do WHO and EMA mean when they say the benefits outweigh the risks of vaccination?
50
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13/4/2021
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0:57
Vaccine efficacy and duration of protection
Why is a second dose of some COVID-19 vaccines needed?
7
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13/4/2021
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1:53
Safety
Are adverse effects observed significantly higher following the second dose as opposed to the first dose?
7
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16/4/2021
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1:58
AZD1222 - Oxford-Astra Zeneca Vaccine
Why were older adults not sufficiently included in the Astra Zeneca clinical trials?
142
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15/4/2021
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1:19
Access and allocation and deployment
To stop the pandemic, wouldn’t it be better to give the first available doses to those most at risk of transmitting the disease rather than to those most at risk of serious infection?
61
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11/4/2021
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1:37
Safety
Why were children not included in clinical trials?
51
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1:32
Safety
Is it dangerous for children to be vaccinated if they were not included in clinical trials?
48
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11/4/2021
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1:52
Safety
What happens if a serious side effect is reported?
50
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11/4/2021
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1:53
Safety
Under what circumstances should a COVID-19 vaccine be recalled?
61
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16/4/2021
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2:31
Co-administration, dose-interval and interchangeability
Is it dangerous to get more than one vaccine, or does it increase protection?
14
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16/4/2021
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1:33
Vaccine and infection
Does vaccination protect against transmission? If not, how will we ever get back to normal life?
16
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17/4/2021
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1:30
Vaccine and infection
What will happen if not enough people get vaccinated?
12
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11/4/2021
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1:35
Vaccine and infection
How can we ever get back to normal life if the virus mutates faster than scientists can adjust the vaccine?
5
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11/4/2021
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1:30
Vaccine and infection
Is it true that a new variant of the virus causes more severe disease?
7
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11/4/2021
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1:30
Vaccine and infection
Will annual vaccination be necessary?
9
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11/4/2021
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2:08
Vaccine and infection
What will happen if the vaccines are no longer effective against the new variants?
6
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11/4/2021
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3:36
Vaccine and infection
What is the latest evidence on vaccine effectiveness against the new variants of the virus?
38
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17/4/2021
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3:36
Vaccine and infection
Is herd protection against COVID-19 possible?
6
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11/4/2021
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00:57
General questions
What tests or examinations should people get before COVID-19 vaccination?
23
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15/4/2021
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2:18
Safety
Why did some EU countries temporarily suspended the use of the Oxford Astra-Zeneca vaccine or specific vaccine batches?
132
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15/4/2021
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1:30
Co-administration, dose-interval and interchangeability
Which is the rationale of the 1 dose schedule for Pfizer/BioNTech (BNT162b2) vaccine proposed by UK authorities?
9
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11/4/2021
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1:12
Vaccine efficacy and duration of protection
Am I protected before receiving the second dose of the vaccine?
8
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14/4/2021
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1:11
Vaccine efficacy and duration of protection
If an individual did not develop high antibody titters after vaccination, should he/she be vaccinated again with another vaccine? Is it safe? What should be an interval between two vaccinations?
4
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11/4/2021
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1:21
Vaccine efficacy and duration of protection
How quickly could COVID-19 vaccines stop the pandemic?
6
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11/4/2021
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1:11
Vaccine efficacy and duration of protection
Will vaccines be able to eliminate or eradicate COVID-19?
5
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11/4/2021
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1:22
Vaccine efficacy and duration of protection
Several vaccines in use give efficacy figures above 90% based on clinical trials. Will they achieve this in practice?
3
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11/4/2021
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2:05
Vaccine and infection
Is COVID-19 vaccination safe for those who had COVID-19 disease in the past?
9
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11/4/2021
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2:06
Vaccine and infection
Should contacts of COVID cases be quarantined if they have been vaccinated against COVID before the exposure?
1
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11/4/2021
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1:52
Vaccine and infection
Can a patient with suspicion or confirmed COVID-19 infection be vaccinated?
5
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16/4/2021
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1:34
Vaccine and infection
What do the new SARS-CoV-2 variants means for vaccine efficacy?
5
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16/4/2021
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3:55
Vaccine and infection
Do available vaccines protect against the new SARS-CoV-2 variants?
46
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17/4/2021
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2:41
Vaccine and infection
Has the new variant of SARS-CoV-2 first detected in the United Kingdom been proved to be more dangerous or contagious than other SARS-COV-2 variants?
2
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16/4/2021
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1:43
Vaccine and infection
Giving this virus’ characteristics, is it realistic to expect a universal vaccine, instead of an annual one, like the flu vaccine?
1
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11/4/2021
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1:58
Vaccine and infection
How much immunization will be needed to reach herd immunity?
5
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11/4/2021
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1:32
General questions
How do I know which COVID-19 vaccine to choose or recommend?
13
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11/4/2021
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3:44
General questions
How do protein-based vaccines work?
17
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15/4/2021
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4:41
General questions
How do inactivated vaccines work?
12
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11/4/2021
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2:01
General questions
Which vaccines against COVID should be used?
11
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11/4/2021
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1:40
General questions
What is a third phase of clinical trials? How many people are usually included? Any particular population groups?
6
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11/4/2021
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1:34
Regulatory approvals
Why is WHO slower in authorizing emergency use of vaccines than the US, UK and the EMA?
4
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11/4/2021
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0:54
Precautions and contraindications
When should a woman planning to get pregnant be vaccinated?
10
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11/4/2021
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1:09
Safety
Can COVID-19 vaccination affect fertility?
7
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15/4/2021
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1:55
Safety
Is there a higher incidence of adverse effects in people with a history of infection?
4
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11/4/2021
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1:38
Safety
Could there be as yet unidentified side effects of the vaccines?
8
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17/4/2021
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1:11
Safety
If a case of Bell's palsy occurred after the 1st vaccination - do you recommend to administer second dose?
4
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11/4/2021
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1:51
Safety
Do COVID-19 mRNA vaccines cause Bell’s paralysis?
14
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14/4/2021
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2:01
Safety
How are we going to monitor vaccine safety?
3
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11/4/2021
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2:09
Safety
How will we know if COVID-19 vaccines are safe?
11
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11/4/2021
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Co-administration, dose-interval and interchangeability
Is there a maximum limit for the time interval between doses of the mRNA vaccines?
13
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15/4/2021
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1:12
Co-administration, dose-interval and interchangeability
Can a person receive different vaccines for the first and second doses? Is this safe and efficacious?
8
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16/4/2021
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Co-administration, dose-interval and interchangeability
What do we know about co-administration with other vaccines (for example flu and COVID-19)
8
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15/4/2021
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2:39
General questions
Covid-19 vaccines and vaccination explained – Introduction
223
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1:52
WHO-specific Q&A
What is WHO’s position on vaccine certificates for travel?
4
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11/4/2021
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1:44
AZD1222 - Oxford-Astra Zeneca Vaccine
How does the Oxford-AstraZeneca COVID-19 vaccine work?
273
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17/4/2021
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2:15
mRNA 1273 - Moderna vaccine
What adverse reactions are associated with Moderna’s mRNA-1273 vaccine?
25
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17/4/2021
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1:54
COMIRNATY® - Pfizer-BioNTech vaccine
What adverse reactions are associated with Pfizer/BioNTech’s Comirnaty vaccine?
106
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17/4/2021
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1:57
Regulatory approvals
What does emergency use authorization mean?
13
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16/4/2021
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2:52
Access and allocation and deployment
Who should receive COVID-19 vaccination first in the situation of limited vaccine supply?
47
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14/4/2021
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0:50
Precautions and contraindications
Can breastfeeding women be vaccinated?
190
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17/4/2021
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Precautions and contraindications
Can pregnant women be vaccinated?
94
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11/4/2021
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1:13
Precautions and contraindications
Can Pfizer/BioNTech’s Comirnaty and Moderna’s emRNA-1273 vaccines be administered to people with coagulant disorders or chronic treatment with anticoagulants?
85
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16/4/2021
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2:05
Precautions and contraindications
Can children be vaccinated and what is the maximum age for vaccination?
42
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11/4/2021
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1:43
Precautions and contraindications
Can immunocompromised people be vaccinated?
35
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16/4/2021
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2:03
Precautions and contraindications
Should a person who experienced an allergic reaction to the 1st dose of COVID-19 vaccine receive a second dose?
29
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11/4/2021
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2:51
Precautions and contraindications
Can people with allergies be vaccinated with mRNA vaccines?
20
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1:36
Precautions and contraindications
What about allergic reactions and contraindications with COVID-19 vaccines?
30
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11/4/2021
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1:58
Vaccine efficacy and duration of protection
How quickly does the vaccine work and how long does the protection last?
153
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17/4/2021
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1:32
Vaccine and infection
Can vaccines alone solve the pandemic?
24
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15/4/2021
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2:13
Vaccine and infection
Can people still get COVID-19 after being vaccinated with one or both doses and can they transmit the virus to others?
45
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3:34
General questions
How do vector vaccines work?
68
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17/4/2021
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2:13
General questions
How do mRNA vaccines, like Pfizer/BioNTech’s Comirnaty and Moderna’s mRNA-1273 vaccines, work?
96
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17/4/2021
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3:21
General questions
What are clinical trials and are they enough to prove a vaccine is safe?
49
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11/4/2021
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2:29
General questions
How could vaccines be developed at record speed while still maintaining quality and safety?
30
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15/4/2021
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