Questions over Britain's decision to drop two-dose vaccine regimen
Pfizer warned today there is 'no data' to show a single dose of its coronavirus vaccine provides long-term protection, after the UK scrapped its original jab rollout plan. The UK medical regulator is now recommending Covid jabs are given in two doses three months apart, rather than over the intended four-week period, to allow millions more people to be immunised over a shorter time period. The strategy will apply to both Pfizer/BioNTech's vaccine and the newly approved jab by Oxford/AstraZeneca, despite limited data around the effectiveness of the initial doses. It is a direct response to ...