Change in vaccine policy is a high-stakes gamble | Coronavirus
Letters The effectiveness of delaying the second dose of Covid vaccines must be carefully monitored, argues Dr Grizelda George, while Jenny van Tinteren fear the move will increase distrust and uncertainty Peter Wilds is given a Pfizer/BioNTech jab at a GP surgery in York. Photograph: Ian Forsyth/Getty Images Peter Wilds is given a Pfizer/BioNTech jab at a GP surgery in York. Photograph: Ian Forsyth/Getty Images Fri 1 Jan 2021 12.31 EST Last modified on Fri 1 Jan 2021 14.09 EST The manufacturer of the Pfizer/BioNTech vaccine has said its efficacy has only been assessed for two doses given t...
Source: theguardian.com