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Which vaccine is given for the COVID-19 booster?

The NHS advises that the Pfizer-BioNTech vaccine (which now also has a brand name, “Comirnaty”) should be given for the booster dose, regardless of which vaccine type you received for your first and second doses; clinical trials have shown this is well tolerated and provides a strong booster response.

Alternatively, a half dose of the Moderna vaccine may be given; or if you’re unable to receive either of these vaccines, for example due to allergies, the AstraZeneca vaccine may be given to those who received it previously.

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