Table 2. Antibody to B19V and PARV4 and detection of viral DNA in mothers and newborns, Taiwan, 2000–2009*.

Case and patient	B19V			PARV4
	Antibody	DNA		Antibody	DNA
A
Mother	IgM+, IgG+; anti-VP1 and 2	+		IgM+, IgG+	+
Newborn	IgM–, IgG+; anti-VP1 and 2	+		IgM–, IgG+	+
B
Mother	IgM–, IgG+ to VP2 only	–		IgM–, IgG+	+
Newborn	IgM–, IgG+; to VP2 only	–		IgM–, IgG+	+
C
Mother	IgM–, IgG–	–		IgM weak +, IgG–	+
Newborn	IgM–, IgG–	–		IgM–, IgG–	–
D
Mother	IgM–, IgG–	–		IgM weakly positive, IgG–	+
Newborn	IgM–, IgG–	–		IgM–, IgG–	+
E
Mother	IgM weakly positive, IgG+, to VP2 only	–		IgM+, IgG+	+
F
Newborn	IgM–, IgG+; to VP2 only	–		IgM–, IgG+	+

*B19V, parvovirus B19 virus; PARV4, parvovirus 4; Ig, immunoglobulin; +, positive; VP, viral protein; –, negative.