, questions still remain about what happens after your first dose.
Both vaccines are provided with two jabs, given several weeks apart from one another, in order to provide people with a robust, long-lasting form of protection.supports HTML5 video The Pfizer-BioNtech vaccine, which started being rolled out in the UK last month, offers up to 95% protection against Covid-19 after a second dose.
Pfizer says a single dose of its vaccine is about 52% effective, but concerns were raised earlier this month when the Israeli Covid tsar Nachman Ash said a single dose appeared ‘less effective than we had thought’, and also lower than Pfizer had suggested.
Professor David Halpern, the chair of the Behavioural Insights Team, said on Tuesday that surveys showed that those who had received a jab were preparing to meet family and friends, which could result in another spike of the virus.
No!!😮
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