TABLE 2.

Clinical characteristics of SARS‐CoV‐2 infection according to COVID‐19 vaccination status

Vaccination status by age group (years)	Symptomatic case, n (%)	Relative risk (95% CI)	Febrile cases, n (%)	Relative risk (95% CI)
0–17 (n = 376)
Unvaccinated (n = 250)	193 (77.2%)	Ref	163 (65.2%)	Ref
1 dose (n = 16)	9 (56.3%)	0.73 (0.47–1.13)	7 (43.8%)	0.67 (0.38–1.18)
2 doses (n = 110)	55 (50.0%)	0.65 (0.53–0.79)	46 (41.8%)	0.64 (0.51–0.81)
3–17 (n = 272)
Unvaccinated (n = 146)	103 (70.5%)	Ref	86 (58.9%)	Ref
1 dose (n = 16)	9 (56.3%)	0.80 (0.51–1.24)	7 (43.8%)	0.74 (0.42–1.32)
2 doses (n = 110)	55 (50.0%)	0.71 (0.57–0.88)	46 (41.8%)	0.71 (0.55–0.92)

Abbreviations: CI, confidence interval; Ref, reference group.