Channel 4 News published this video item, entitled “Efficacy of Covid vaccines ‘give greater cause for optimism’, epidemiologist says” – below is their description.
We were joined by Prof Steven Riley.
He’s an epidemiologist at Imperial College London, and is a member of the group which models the pandemic for Sage and an author of the React Study.
We began by asking him if he was surprised at the drop in the infection rate reported in his study?
Channel 4 News YouTube Channel
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