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Valneva vaccine: How does it work and why do we need another Covid vaccine?
Trial results of a new Covid vaccine have just been announced by the French pharmaceutical company Valneva. The data is not yet available to the public, however the company says the new vaccine produces a stronger immune response when compared to the AstraZeneca vaccine.
Family doctor Graham Easton explains how the new vaccine works.
(Image: Medical syringe is seen with Valneva company logo, Credit: Getty Images.)
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