Table 2.

Evaluation of Titers of Anti-p305 Antibody in Plasma From Cord Blood in Siblings Using an ELISA Approach as Described in Figure 2

Sibling Pair	p305 Optical Density	Date of Birth (Month, Year)	Outcome Sibling 1	Sex	p305 Optical Density	Date of Birth (Month, Year)	Outcome Sibling 2	Sex
1	0.29	4/10	Healthy	F	0.05	4/10*	CHB	F
2	0.01	10/09	CHB	M	0.15	10/09*	Healthy	M
3	0.10	3/08	Healthy	M	0	3/08*	CHB	M
4	0	11/06	CHB	M	0	12/08	CHB	M
5	0.48	5/05	CHB	M	0.71	5/07	Healthy	M

CHB indicates congenital heart block.

^*Twin.