Table 2. Convalescent plasma titers from pre-vaccinated participants.

Antigens	Antigen Abbreviation	N	%Titer = 800	%Titer>800	Median of Titer
SARS-CoV-2 Proteins	NCP	41	22%	78%	121,840
	NTD	41	32%	68%	19,932
	RBD1	41	29%	71%	24,696
	RBD2	41	27%	73%	71,529
	ST4	41	29%	71%	98,591
SARS-CoV-2 RBD Mutant Proteins	D614G	41	29%	71%	108,678
	F490S	41	66%	34%	800
	N460K	41	39%	61%	2,655
	E484Q	41	41%	59%	2,759
	Q493R	41	41%	59%	3,549
Additional Coronavirus Family Proteins	SARS-CoV-1	41	5%	95%	27,834
	HKU1	41	0%	100%	143,098
	OC43	41	0%	100%	298,107
	NL63	41	0%	100%	333,323
	229E	41	0%	100%	134,673