What happens if an adverse event is reported? - One More Push

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What happens if an adverse event is reported?

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PUBLISHED 13 June 2021
Vaccine Q&A,

As with any vaccine, it is essential to closely monitor the safety and effectiveness of COVID-19 vaccines that are used in immunization programmes. If a health problem is reported following vaccination, a thorough investigation should take place by the public health programme in the country.

It is rare to find that health problems occurring following receipt of a vaccine are actually caused by the vaccine itself. Health problems following vaccination are most often found to be coincidental and entirely unrelated to vaccination. Sometimes they are related to how the vaccine has been stored, transported, or administered. Errors related to the delivery of the vaccine can be prevented by better training health workers and strengthening supply chains.

In the very rare cases where a adverse reaction is suspected to be related to the vaccine itself, the vaccine may be suspended from use while the situation is assessed. Further investigations will take place to determine what exactly caused the event, and corrective measures will be put in place. WHO works with vaccine manufacturers, health officials, researchers, and other partners to monitor any safety concerns and potential side effects on an ongoing basis.

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