Created at	Source	Raw Value	Validated value
May 1, 2022, 3:30 a.m.	usa	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to an initial or additional dose of the Pfizer-BioNTech or Moderna COVID-19 mRNA vaccine	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to an initial or additional dose of the Pfizer-BioNTech or Moderna COVID-19 mRNA vaccine
April 6, 2022, 9 p.m.	usa	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to the second dose of the Pfizer-BioNTech or Moderna COVID-19 mRNA vaccine	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to the second dose of the Pfizer-BioNTech or Moderna COVID-19 mRNA vaccine
Jan. 29, 2022, 11:30 a.m.	usa	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to the second dose of the Pfizer-BioNTech COVID-19 mRNA vaccine	Number of participants with treatment-related allergic reaction adverse events;Percent of participants that have a reaction to the second dose of the Pfizer-BioNTech COVID-19 mRNA vaccine