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General questions

Why is it necessary to stay in the healthcare facility 15-30 minutes following COVID-19 vaccination?

This general practice is necessary after administration of any vaccine to monitor a person’s reaction to the vaccine and ensure first aid is available if they experience any severe allergic reactions, including anaphylactic shock. Anaphylactic reactions can be potentially life-threatening if not detected and treated promptly. Symptoms can include a rapid, weak pulse, skin rash, fainting, wheezing, nausea and vomiting.

Recommendations regarding the duration of the observation time may vary by country. In general, upon receiving the vaccine a person should be requested to stay for 15–30 minutes at the healthcare facility or community vaccination center where healthcare professionals are available in case of any immediate reactions to provide first aid.

In general, persons with a severe allergic reaction to the first dose should not receive additional doses of the same vaccine. In addition, individuals should alert their local health providers following vaccination if they experience any unexpected side effects or other health events.

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COVID-19 vaccines and vaccination explained – Introduction

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Vaccines protect against severe COVID-19 disease.

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What are clinical trials and are they enough to prove a vaccine is safe?

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How do mRNA vaccines, like Pfizer-BioNTech and Moderna COVID-19 vaccines, work?

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How do vector vaccines work?

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How do inactivated vaccines work?

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What tests or examinations should people get before COVID-19 vaccination?

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Can a new variant of the SARS-CoV-2 virus cause more severe disease?

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Why should older adults get vaccinated?

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Omicron is generally less severe than previous variants – does it still make sense to vaccinate children?

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Should children aged 5-11 get a booster dose?

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If COVID-19 becomes endemic will vaccination still be needed?

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Why is it necessary to stay in the healthcare facility 15-30 minutes following COVID-19 vaccination?

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Is it possible to catch COVID-19 during an immunization visit to a healthcare facility?

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What are the so-called COVID-19 bivalent booster vaccines?

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What is the recommended use of updated bivalent COVID-19 booster vaccines?

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How do the updated bivalent COVID-19 vaccines work?

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