It is an important point but we cant at the moment say anything about that, he said. Both vaccines are being given as single doses until up to 12 weeks. The Pfizer/BioNTech was available first so there is more data, but the Oxford/AstraZeneca was mostly used in the older age group. (Wattie Cheung/Pool via AP)Britain's Prime Minister Boris Johnson with quality control technician Kerri Symington, visits the French biotechnology laboratory Valneva in Livingston, Scotland, Thursday Jan. 28, 2021, where they will be producing a COVID-19 vaccine on a large scale, during a visit to Scotland. Britain's Prime Minister Boris Johnson with quality control technician Kerri Symington, visits the French biotechnology laboratory Valneva in Livingston, Scotland, Thursday Jan. 28, 2021, where they will be producing a COVID-19 vaccine on a large scale, during a visit to Scotland.
pfizer is a company that specializes in making healthcare vaccines.
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pfizer is a company that specializes in making healthcare vaccines .
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