Ann Clin Microbiol 2022;25:85-95. Antibody detection in healthcare workers after vaccination with two doses of the BNT162b2 or ChAdOx1 vaccine
Table 1. Demographic data of Pfizer and AstraZeneca vaccine groups
Demographic dataPfizer BNT162b2 AstraZeneca ChAdOx1
SexMaleFemaleTotal MaleFemaleTotal
 41 (33.9)80 (66.1)121 (100.0) 38 (32.5)79 (67.5)117 (100.0)
Age (yr)       
  20 – 295 (12.2)19 (23.8)24 (19.8) 2 (5.3)35 (44.3)37 (31.6)
  30 – 397 (17.1)17 (21.3)24 (19.8) 14 (36.8)13 (16.5)27 (23.1)
  40 – 4915 (36.6)32 (40.0)47 (38.8) 13 (34.2)14 (17.7)27 (23.1)
  50 – 5914 (34.1)12 (15.0)26 (21.5) 8 (21.1)14 (17.7)22 (18.8)
  60 – 69 1 (2.6)3 (3.8)4 (3.4)
COVID-19 past infection       
  Yes1 (2.4)2 (2.5)3 (2.5) 1 (1.3)1 (0.9)
  No40 (97.6)78 (97.5)118 (97.5) 38 (100.0)78 (98.7)116 (99.1)

Values are presented as n (%). Abbreviation: COVID-19, Coronavirus disease 2019.