How effective is one dose of the vaccine?
Is the first dose of the Pfizer Covid-19 vaccine 52% or 90% effective?
More or Less · BBC Radio 4
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Show Notes
A lot has changed since More or Less was last on air. We give you a statistical picture of the second wave: how bad is it, and is there hope? The new vaccine regime is to delay the booster shot of the Pfizer vaccine for up to 3 months. But is the first dose 52% or 90% effective? A new virus variant is meant to be 70% more transmissible, what does that mean? Plus, one of our youngest loyal listeners has a question about her classmates names.