Table 5. Comparison between wild-type and Omicron variants.

	Strain		Baseline	Day 28	Month 6
Percent inhibition (nonchemotherapy)	Wild type	N	48	50	45
		Mean % (95% CI)	6.28 (4.87–7.69)	62.63 (53.13–72.12)	69.73 (59.95–79.51)
	Omicron variant	N	48	50	45
		Mean % (95% CI)	10.63 (8.72–12.54)	43.87 (36.59–51.16)	52.29 (42.99–61.60)
	Wild type vs. Omicron, p Value			<0.001	<0.001
Percent inhibition (chemotherapy)	Wild type	N	41	41	35
		Mean % (95% CI)	5.24 (4.01–6.47)	61.79 (50.79–72.78)	67.31 (56.17–78.44)
	Omicron variant	N	41	41	35
		Mean % (95% CI)	7.26 (5.45–9.07)	40.09 (32.19–47.99)	42.88 (32.99–52.77)
	Wild type vs. Omicron, p Value			<0.001	<0.001
Seroconversion rate (nonchemotherapy)	Wild type	N	48	50	45
		Mean % (95% CI)	0 (0–0.07)	0.78 (0.64–0.88)	0.80 (0.65–0.90)
	Omicron variant	N	48	50	45
		Mean % (95% CI)	0 (0–0.07)	0.64 (0.49–0.77)	0.71 (0.56–0.84)
	Wild type vs. Omicron, p Value			0.008	0.103
Seroconversion rate (chemotherapy)	Wild type	N	41	41	35
		Mean % (95% CI)	0 (0–0.09)	0.76 (0.60–0.88)	0.83 (0.66–0.93)
	Omicron variant	N	41	41	35
		Mean % (95% CI)	0 (0–0.09)	0.59 (0.42–0.74)	0.60 (0.42–0.76)
	Wild type vs. Omicron, p Value			0.008	0.005