The UK regulator published the first set of data from the rollout of both the Pfizer and AZ vaccines today: https://www.gov.uk/government/publications/coronavir

The UK regulator published the first set of data from the rollout of both the Pfizer and AZ vaccines today: https://www.gov.uk/government/publications/coronavirus-covid-19-vaccine-adverse-reactions/coronavirus-vaccine-summary-of-yellow-card-reporting https://www.gov.uk/government/publications/coronavirus-covid... > The MHRA has received 101 UK spontaneous adverse reactions associated with anaphylaxis or anaphylactoid reactions with the Pfizer/BioNTech vaccination. All patients have recovered from the anaphylaxis episode. 13 reports of anaphylaxis have been received for the COVID-19 Oxford University/AstraZeneca vaccine to date. > As of 24 January, an estimated 5.4 million first doses of the Pfizer/BioNTech vaccine and 1.5 million doses of the Oxford University/AstraZeneca vaccine had been administered, and around 0.5 million second doses, mostly the Pfizer/BioNTech vaccine, had been administered.