Britain to allow mixing of COVID-19 vaccines on rare occasions – CGTN

Despite having no evidence about the extent of immunity offered by mixing COVID-19 doses, Britain says, it will allow people to be given shots of different COVID-19 vaccines on rare occasions.
In a departure from other strategies globally, the government said people could be given a mix-and-match of two COVID-19 shots, for example if the same vaccine dose was out of stock, according to guidelines published on New Year’s Eve. “(If) the same vaccine is not available, or if the first product received…

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