Table 2. Association between influenza immunization status and anti-SARS-CoV-2 IgG serological status.

	Positive	Negative	Total
	anti-SARS-CoV-2 IgG	anti-SARS-CoV-2 IgG
Anti-Influenza vaccinated	34 (11.3)	266 (88.7)	300
Anti-Influenza non-vaccinated	27 (20.0)	108 (80.0)	135
Total	61 (14.0)	374 (86.0)	435

Qui-square test=5.8; p=0.016; Odds ratio=0.5121; 95% CI=0.2944 to 0.8737