Table 4.

Comparison of breakthrough infection rates by vaccine brand between students and employees.

	Students	Employees
	Breakthrough infection rate (95% CI), %	Breakthrough infection rate (95% CI), %	P-value*
Pfizer (BNT162b2)	0.92 (0.62–1.31)	5.23 (3.55–7.42)	<.0001
Moderna (mRNA-1273)	1.42 (0.85–2.21)	2.9 (1.79–4.44)	.02
Janssen (AD26,COV2.S)	1.52 (0.41–3.9)	9.67 (1.99–28.28)	.005

*Comparison among the frequency of vaccine brands administered between Students and Employees, using Χ² with Bonferroni adjustment.