Pfizer
Virus mutation less likely with zero-Covid strategy, expert says
Pfizer vaccine ‘highly effective and prevents serious illness’ – Israeli study
Pfizer/BioNTech vaccine effective against South African variant, study suggests
What Covid-19 vaccines does the UK have access to?
Covid-19 vaccines used across the UK are safe, new MHRA analysis shows
J&J applies for emergency approval for one-shot vaccine
Government backs study into mixed Covid vaccine doses
Single Pfizer vaccine dose is highly protective after 21 days – study
Hundreds of coronavirus vaccines wasted after fridge switched off
